EC 2.3.2.5: glutaminyl-peptide cyclotransferase

TransferasesOpen in Browse

CatLog read 261 records for EC 2.3.2.5 from 7 papers, for 8 organisms. Names in these papers: glutaminyl cyclase (QC), glutaminyl cyclase isoenzyme (isoQC) (human), glutaminyl cyclase (StQC), glutaminyl cyclase (MxQC) and 7 more.

Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units.

CatLog also holds 41 records for EC 2.3.2.5 that are not yet re-read: from its earlier version, built from the enzyme databases and partly checked against the papers. All records for EC 2.3.2.5 in Browse.

Papers

Papers with records for EC 2.3.2.5
Paper	Organisms	Records
Substrate specificity of glutaminyl cyclases from plants and animals	Carica papaya, Homo sapiens	109
Isolation and characterization of the glutaminyl cyclases from Solanum tuberosum and Arabidopsis thaliana: implications for physiological functions	Arabidopsis thaliana, Solanum tuberosum	34
Mammalian glutaminyl cyclases and their isoenzymes have identical enzymatic characteristics	Homo sapiens, Mus musculus	33
Kinetic and structural characterization of bacterial glutaminyl cyclases from Zymomonas mobilis and Myxococcus xanthus	Myxococcus xanthus, Zymomonas mobilis	33
Isolation and characterization of glutaminyl cyclases from Drosophila: evidence for enzyme forms with different subcellular localization	Drosophila melanogaster	26
Crystal structures of human glutaminyl cyclase, an enzyme responsible for protein N-terminal pyroglutamate formation	Homo sapiens	14
Isolation, catalytic properties, and competitive inhibitors of the zinc-dependent murine glutaminyl cyclase	Mus musculus	12

Records

Records for EC 2.3.2.5 read from the paper
Enzyme	Organism	Substrate	k_cat (s⁻¹)	K_m (mM)	k_cat/K_m (mM⁻¹ s⁻¹)	Conditions	Paper	Open record
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Ala-OH	30	0.294	102	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Ala-OH
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-AMC	19	0.08	238	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-AMC
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Asp-Glu-Leu-NH2	13.1	0.487	27	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Asp-Glu-Leu-NH2
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Gln-OH	17	0.053	321	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Gln-OH
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Glu-Ala-Phe-NH2	14.9	0.08	186	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Glu-Ala-Phe-NH2
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Glu-OH	16.4	0.265	62	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Glu-OH
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Glu-Tyr-Phe-NH2	9.2	0.086	107	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Glu-Tyr-Phe-NH2
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Gly-OH	22	1.1	20	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Gly-OH
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Gly-Pro-OH	15.7	0.591	27	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Gly-Pro-OH
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Lys-Arg-Leu-NH2	20.6	0.06	343	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-NH2	25	0.48	52.1	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-NH2
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Phe-Ala-NH2	55	0.106	519	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Phe-Ala-NH2
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-tertBE	21	0.151	139	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-tertBE
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	H-Gln-Val-Ala-OH	10.9	0.014	779	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), H-Gln-Val-Ala-OH
glutaminyl cyclase (AtQC)	Arabidopsis thaliana	L-glutaminyl-beta-naphthylamine	8	0.028	286	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (AtQC), L-glutaminyl-beta-naphthylamine
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Ala-OH	17	5	3.48	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Ala-OH
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Asp-Glu-Leu-NH2	14	2.3	5.9	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Asp-Glu-Leu-NH2
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Gln-OH	7	1.5	4.5	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Gln-OH
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Glu-Ala-Phe-NH2	12.7	0.42	30	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Glu-Ala-Phe-NH2
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Glu-OH	38	29.5	1.3	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Glu-OH
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Glu-Tyr-Phe-NH2	6.9	0.065	106	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Glu-Tyr-Phe-NH2
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Gly-OH	9	7.1	1.3	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Gly-OH
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Gly-Pro-OH	16	4.1	3.9	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Gly-Pro-OH
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Lys-Arg-Leu-NH2	7	0.08	90	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Phe-Ala-OH	22	0.35	61.2	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Phe-Ala-OH
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	H-Gln-Val-Ala-OH	5.3	0.14	38.7	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), H-Gln-Val-Ala-OH
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	L-glutamine 7-amido-4-methylcoumarin	7	0.31	24	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), L-glutamine 7-amido-4-methylcoumarin
glutaminyl cyclase (DromeQC)	Drosophila melanogaster	L-glutamine beta-naphthylamide	1.3	0.17	7.4	30 °C	PMID 17722885	Open record: glutaminyl cyclase (DromeQC), L-glutamine beta-naphthylamide
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Ala-OH	16	2.8	6	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Ala-OH
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Asp-Glu-Leu-NH2	—	—	1.7	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Asp-Glu-Leu-NH2
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Gln-OH	7.4	0.94	7.9	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Gln-OH
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Glu-Ala-Phe-NH2	11	0.68	16.2	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Glu-Ala-Phe-NH2
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Glu-OH	—	—	0.85	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Glu-OH
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Gly-OH	4.9	2.4	2.1	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Gly-OH
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Gly-Pro-OH	14	1.17	23.4	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Gly-Pro-OH
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Phe-Ala-OH	16	0.128	124	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Phe-Ala-OH
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Tyr-Ala-OH	17.04	0.72	24 calc.	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Tyr-Ala-OH
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	H-Gln-Val-Ala-OH	3.02	0.1293	23.4	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), H-Gln-Val-Ala-OH
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	L-glutamine 7-amido-4-methylcoumarin	2.09	0.205	10.2	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), L-glutamine 7-amido-4-methylcoumarin
glutaminyl cyclase (isoDromeQC)	Drosophila melanogaster	L-glutamine beta-naphthylamide	1.1	0.15	7.4	30 °C	PMID 17722885	Open record: glutaminyl cyclase (isoDromeQC), L-glutamine beta-naphthylamide
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Ala-OH	42	0.4	105	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Ala-OH
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Arg-Gly-Ile-NH2	34	0.32	106	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Arg-Gly-Ile-NH2
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Asn-Gly-Ile-NH2	68	0.36	189	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Asn-Gly-Ile-NH2
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Gln-OH	32	0.15	213	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Gln-OH
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Glu-OH	29	0.8	36	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Glu-OH
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Gly-OH	12.4	0.41	30	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Gly-OH
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Gly-Pro-OH	21.6	0.17	127	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Gly-Pro-OH
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Thr-Gly-Ile-NH2	23	0.16	144	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Thr-Gly-Ile-NH2
glutaminyl cyclase (mQC)	Mus musculus	H-Gln-Trp-Ala-NH2	41	0.072	569	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), H-Gln-Trp-Ala-NH2
glutaminyl cyclase (mQC)	Mus musculus	L-glutaminyl-2-naphthylamide	22	0.04	550	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), L-glutaminyl-2-naphthylamide
glutaminyl cyclase (mQC)	Mus musculus	L-glutaminyl-4-methylcoumarinylamide	6	0.048	125	pH 8, 30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), L-glutaminyl-4-methylcoumarinylamide
glutaminyl cyclase (mQC)	Mus musculus	L-glutaminyl-4-methylcoumarinylamide	—	0.047	123	30 °C	PMID 16201766	Open record: glutaminyl cyclase (mQC), L-glutaminyl-4-methylcoumarinylamide
glutaminyl cyclase (MxQC)	Myxococcus xanthus	Gln-β-naphthylamide	25.5	0.339	75.2	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC), Gln-β-naphthylamide
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-7-amido-4-methylcoumarin	7.1	0.05	142	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-7-amido-4-methylcoumarin
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Ala-Ala-Arg	170	0.4	412	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Ala-Ala-Arg
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Ala-Ala-Glu	40	1.1	36	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Ala-Ala-Glu
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Ala-Ala-Phe	183	0.8	219	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Ala-Ala-Phe
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Ala-Arg-Ala	129	0.1	1215	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Ala-Arg-Ala
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Ala-Glu-Ala	40	0.7	55	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Ala-Glu-Ala
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Ala-Phe-Ala	102	2.5	41	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Ala-Phe-Ala
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Arg-Ala-Ala	66	0.9	76	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Arg-Ala-Ala
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Gln	31.7	6.5	4.8	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Gln
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Glu	12.8	2.4	5.4	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Glu
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Glu-Ala-Ala	17.9	1	18	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Glu-Ala-Ala
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Gly-Gly-Gly	1.1	0.1	9	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Gly-Gly-Gly
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-NH2	35.7	2.7	13	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-NH2
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-Phe-Ala-Ala	60	1.9	31	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-Phe-Ala-Ala
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	Gln-β-naphthylamide	18.9	0.5	35	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, Gln-β-naphthylamide
glutaminyl cyclase (MxQC)variant L55F	Myxococcus xanthus	glutamine tert-butyl ester	64.9	1	63.6	pH 7.5	PMID 20868223	Open record: glutaminyl cyclase (MxQC) variant L55F, glutamine tert-butyl ester
glutaminyl cyclase (QC)	Carica papaya	[Gln1]-fertilization promoting peptide	37.7	0.151	250	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-fertilization promoting peptide
glutaminyl cyclase (QC)	Carica papaya	[Gln1]-Gastrin	31.6	0.033	958	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-Gastrin
glutaminyl cyclase (QC)	Carica papaya	[Gln1]-gonadotropin releasing-hormone	72.4	0.054	1337	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-gonadotropin releasing-hormone
glutaminyl cyclase (QC)	Carica papaya	[Gln1]-Neurotensin	37.7	0.023	1639	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-Neurotensin
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Ala-Ala-Ala-Ala-NH2	74.6	0.197	379	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-Ala-Ala-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Ala-Ala-NH2	83.2	0.164	507	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Ala-Ala-Ser-Ala-Ala-NH2	78.5	0.216	363	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-Ala-Ser-Ala-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Ala-NH2	62.8	0.212	296	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Ala-OH0.05 M Tricine/NaOH; 5 mM EDTA	69.8	0.158	442	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Ala-OH0.05 M Tricine-NaOH	69.7	0.137	509	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Ala-OH0.05 M Tricine-NaOH; 0.5 M KCl	68.1	0.143	480	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-AMC	39.4	0.042	938	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-AMC
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Arg-Gly-Ile-NH20.05 M Tricine/NaOH; 5 mM EDTA	49.2	0.123	400	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Arg-Gly-Ile-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Arg-Gly-Ile-NH20.05 M Tricine-NaOH	52.9	0.106	499	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Arg-Gly-Ile-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Arg-Gly-Ile-NH20.05 M Tricine-NaOH; 0.5 M KCl	48.4	0.065	745	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Arg-Gly-Ile-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Arg-Tyr-Phe-NH2	48.9	0.124	394	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Arg-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Asn-Gly-Ile-NH2	51.4	0.153	336	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Asn-Gly-Ile-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-cyclo(Nε-Lys-Arg-Pro-Ala-Gly-Phe)	49.4	0.133	372	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-cyclo(Nε-Lys-Arg-Pro-Ala-Gly-Phe)
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Gln-OH	43.2	0.044	982	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gln-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Gln-Tyr-Phe-NH2	52.9	0.045	1176	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gln-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-Ala-Ala-NH2	53.7	0.102	526	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Ala-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-Ala-Phe-NH2	48.5	0.081	599	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Ala-Phe-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-Asp-Leu-NH20.05 M Tricine/NaOH; 5 mM EDTA	58.5	0.107	547	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-Asp-Leu-NH20.05 M Tricine-NaOH	52.4	0.109	481	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-Asp-Leu-NH20.05 M Tricine-NaOH; 0.5 M KCl	53.6	0.094	570	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-OH0.05 M Tricine/NaOH; 5 mM EDTA	50.3	0.106	475	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-OH0.05 M Tricine-NaOH	45	0.098	459	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-OH0.05 M Tricine-NaOH; 0.5 M KCl	44.4	0.094	472	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-Tyr-Ala-NH2	44.7	0.113	396	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Tyr-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-Tyr-NH2	53.6	0.103	520	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Tyr-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Glu-Tyr-Phe-NH2	54.6	0.1	546	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Gly-OH	45.8	0.641	71	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gly-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Gly-Pro-OH	41.7	0.333	125	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gly-Pro-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-His-Tyr-Phe-NH2	75.9	0.092	825	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-His-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Lys-Arg-Leu-NH20.05 M Tricine/NaOH; 5 mM EDTA	48.2	0.118	408	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Lys-Arg-Leu-NH20.05 M Tricine-NaOH	50	0.102	493	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Lys-Arg-Leu-NH20.05 M Tricine-NaOH; 0.5 M KCl	58.1	0.053	1096	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-NH20.05 M Tricine/NaOH; 5 mM EDTA	44.8	0.433	103	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-NH20.05 M Tricine-NaOH	43.4	0.434	100	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-NH20.05 M Tricine-NaOH; 0.5 M KCl	45.2	0.446	101	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-OtBu	49.4	0.223	222	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-OtBu
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Phe-Ala-NH2	132.1	0.111	1.19 × 10³	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Phe-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Pro-Tyr-Phe-NH2	18.8	0.149	126	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Pro-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Ser-Tyr-Phe-NH2	64.9	0.135	481	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ser-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Trp-Ala-NH20.05 M Tricine/NaOH; 5 mM EDTA	151.8	0.078	1946	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Trp-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Trp-Ala-NH20.05 M Tricine-NaOH	138	0.079	1747	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Trp-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Trp-Ala-NH20.05 M Tricine-NaOH; 0.5 M KCl	133	0.072	1847	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Trp-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	H-Gln-Tyr-Ala-OH	104	0.063	1.65 × 10³	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Tyr-Ala-OH
glutaminyl cyclase (QC)	Carica papaya	H-Gln-βNA0.05 M Tricine/NaOH; 5 mM EDTA	51.4	0.038	1353	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-βNA
glutaminyl cyclase (QC)	Carica papaya	H-Gln-βNA0.05 M Tricine-NaOH	48.8	0.036	1356	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-βNA
glutaminyl cyclase (QC)	Carica papaya	H-Gln-βNA0.05 M Tricine-NaOH; 0.5 M KCl	47.2	0.032	1475	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-βNA
glutaminyl cyclase (QC)	Carica papaya	H-βhomoGln-Phe-Lys-Arg-Leu-Ala-NH2	4	3.1	1.4	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-βhomoGln-Phe-Lys-Arg-Leu-Ala-NH2
glutaminyl cyclase (QC)	Carica papaya	L-glutamine	—	—	0.23	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), L-glutamine
glutaminyl cyclase (QC)	Homo sapiens	[Gln1]-fertilization promoting peptide	69.6	0.087	800	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-fertilization promoting peptide
glutaminyl cyclase (QC)	Homo sapiens	[Gln1]-Gastrin	54.1	0.031	1745	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-Gastrin
glutaminyl cyclase (QC)	Homo sapiens	[Gln1]-gonadotropin releasing-hormone	69.2	0.053	1305	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-gonadotropin releasing-hormone
glutaminyl cyclase (QC)	Homo sapiens	[Gln1]-Neurotensin	48.8	0.037	1318	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-Neurotensin
glutaminyl cyclase (QC)	Homo sapiens	[Gln1]-thyrotropin releasing-hormone	82.8	0.09	920	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), [Gln1]-thyrotropin releasing-hormone
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Ala-Ala-Ala-Ala-NH2	60.5	0.065	1174	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-Ala-Ala-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Ala-Ala-NH2	76.3	0.087	877	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Ala-Ala-Ser-Ala-Ala-NH2	55.3	0.079	700	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-Ala-Ser-Ala-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Ala-NH2	40.1	0.155	259	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Ala-OH0.05 M Tris/HCl; 5 mM EDTA	57.2	0.232	247	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Ala-OH0.05 M Tris-HCl	54.4	0.269	202	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Ala-OH0.05 M Tris-HCl; 0.5 M KCl	47.6	0.357	133	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ala-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-AMC	5.3	0.054	98	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-AMC
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Arg-Gly-Ile-NH20.05 M Tris/HCl; 5 mM EDTA	33.5	0.143	234	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Arg-Gly-Ile-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Arg-Gly-Ile-NH20.05 M Tris-HCl	31	0.166	187	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Arg-Gly-Ile-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Arg-Gly-Ile-NH20.05 M Tris-HCl; 0.5 M KCl	29.8	0.091	327	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Arg-Gly-Ile-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Arg-Tyr-Phe-NH2	29.6	0.055	538	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Arg-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Asn-Gly-Ile-NH2	56.6	0.172	329	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Asn-Gly-Ile-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-cyclo(Nε-Lys-Arg-Pro-Ala-Gly-Phe)	22.8	0.24	95	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-cyclo(Nε-Lys-Arg-Pro-Ala-Gly-Phe)
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Gln-OH	20.7	0.148	140	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gln-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Gln-OH	21.3	0.175	122 calc.		PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gln-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Gln-Tyr-Phe-NH2	41.4	0.041	1.01 × 10³	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gln-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-Ala-Ala-NH2	46	0.077	597	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Ala-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-Ala-Phe-NH2	39	0.039	1 × 10³	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Ala-Phe-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-Asp-Leu-NH20.05 M Tris/HCl; 5 mM EDTA	45.8	0.055	833	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-Asp-Leu-NH20.05 M Tris-HCl	46.6	0.06	777	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-Asp-Leu-NH20.05 M Tris-HCl; 0.5 M KCl	45.6	0.061	748	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-OH0.05 M Tris/HCl; 5 mM EDTA	24.7	0.359	58	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-OH0.05 M Tris-HCl	21.4	0.373	57	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-OH0.05 M Tris-HCl; 0.5 M KCl	18.9	0.607	31	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-Tyr-Ala-NH2	42.1	0.069	610	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Tyr-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-Tyr-NH2	45.1	0.079	524	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Tyr-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Glu-Tyr-Phe-NH2	46	0.047	979	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Glu-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Gly-OH	13.2	0.247	53	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gly-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Gly-Pro-OH	25.3	0.13	195	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Gly-Pro-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-His-Tyr-Phe-NH2	55.4	0.068	815	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-His-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Lys-Arg-Leu-NH20.05 M Tris/HCl; 5 mM EDTA	33.4	0.054	619	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Lys-Arg-Leu-NH20.05 M Tris-HCl	29.4	0.051	577	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Lys-Arg-Leu-NH20.05 M Tris-HCl; 0.5 M KCl	31.6	0.034	929	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-NH20.05 M Tris/HCl; 5 mM EDTA	12.8	0.409	31	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-NH20.05 M Tris-HCl	12.8	0.442	29	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-NH20.05 M Tris-HCl; 0.5 M KCl	12.2	0.401	30	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-OtBu	6.7	1.235	5.4	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-OtBu
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Phe-Ala-NH2	109	0.069	1811	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Phe-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Pro-Tyr-Phe-NH2	31.7	1.889	17	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Pro-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Ser-Tyr-Phe-NH2	52.8	0.055	960	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Ser-Tyr-Phe-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Trp-Ala-NH20.05 M Tris/HCl; 5 mM EDTA	47	0.05	940	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Trp-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Trp-Ala-NH20.05 M Tris-HCl	50.8	0.054	941	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Trp-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Trp-Ala-NH20.05 M Tris-HCl; 0.5 M KCl	50	0.056	893	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Trp-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Tyr-Ala-OH	125	0.101	930	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Tyr-Ala-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Tyr-OH	94	0.211	446	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Tyr-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-Val-OH	17.2	0.196	88	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-Val-OH
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-βNA0.05 M Tris/HCl; 5 mM EDTA	20.6	0.07	294	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-βNA
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-βNA0.05 M Tris-HCl	21.7	0.076	285	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-βNA
glutaminyl cyclase (QC)	Homo sapiens	H-Gln-βNA0.05 M Tris-HCl; 0.5 M KCl	20	0.063	318	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-Gln-βNA
glutaminyl cyclase (QC)	Homo sapiens	H-βhomoGln-Phe-Lys-Arg-Leu-Ala-NH2	3.5	2.5	1.3	pH 8, 30 °C	PMID 14719800	Open record: glutaminyl cyclase (QC), H-βhomoGln-Phe-Lys-Arg-Leu-Ala-NH2
glutaminyl cyclase (QC)	Homo sapiens	L-glutaminyl-L-glutamine	7.3	0.79	9.459	pH 7	PMID 16135565	Open record: glutaminyl cyclase (QC), L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)	Homo sapiens	L-glutaminyl-L-glutamine	9.76	0.9	11.10	pH 7.5	PMID 16135565	Open record: glutaminyl cyclase (QC), L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)	Homo sapiens	L-glutaminyl-L-glutamine	8.63	0.63	13.66	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC), L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)	Homo sapiens	L-glutaminyl-L-glutamine	9.93	0.9	11.04	pH 8.5	PMID 16135565	Open record: glutaminyl cyclase (QC), L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)	Homo sapiens	L-glutaminyl-L-glutamine	8.56	2.06	4.319	pH 8.8	PMID 16135565	Open record: glutaminyl cyclase (QC), L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant E201D	Homo sapiens	L-glutaminyl-L-glutamine	0.87	12.62	0.068	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant E201D, L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant F146A	Homo sapiens	L-glutaminyl-L-glutamine	7.91	0.82	9.536	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant F146A, L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant F325A	Homo sapiens	L-glutaminyl-L-glutamine	12.91	4.67	2.772	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant F325A, L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant K144A	Homo sapiens	L-glutaminyl-L-glutamine	11.7	1.47	7.944	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant K144A, L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant Q304L	Homo sapiens	L-glutaminyl-L-glutamine	9.39	1.16	8.028	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant Q304L, L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant R54W	Homo sapiens	L-glutaminyl-L-glutamine	7.35	0.76	9.704	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant R54W, L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant W207F	Homo sapiens	L-glutaminyl-L-glutamine	2.32	0.59	3.943	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant W207F, L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant W207L	Homo sapiens	L-glutaminyl-L-glutamine	0.43	1.77	0.243	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant W207L, L-glutaminyl-L-glutamine
glutaminyl cyclase (QC)variant W329A	Homo sapiens	L-glutaminyl-L-glutamine	1.35	29.53	0.046	pH 8	PMID 16135565	Open record: glutaminyl cyclase (QC) variant W329A, L-glutaminyl-L-glutamine
glutaminyl cyclase (StQC)	Solanum tuberosum	Gln-AMC	22	0.108	200 calc.	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), Gln-AMC
glutaminyl cyclase (StQC)	Solanum tuberosum	Gln-Gln	30	0.58	52 calc.	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), Gln-Gln
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Ala-OH	37.7	1.838	21	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Ala-OH
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-AMC	25	0.105	238	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-AMC
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Asp-Glu-Leu-NH2	40	1.74	23.1	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Asp-Glu-Leu-NH2
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Gln-OH	24	0.487	49	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Gln-OH
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Glu-Ala-Phe-NH2	64	0.742	86	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Glu-Ala-Phe-NH2
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Glu-OH	30	2.516	11.9	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Glu-OH
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Glu-Tyr-Ala-NH2	49	0.33	148	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Glu-Tyr-Ala-NH2
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Glu-Tyr-Phe-NH2	50	0.41	122	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Glu-Tyr-Phe-NH2
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Gly-OH	28	2.64	10.6	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Gly-OH
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Gly-Pro-OH	32	1.791	18	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Gly-Pro-OH
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Lys-Arg-Leu-NH2	62	0.448	138	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Lys-Arg-Leu-NH2
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-NH2	37	2.048	18.1	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-NH2
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Phe-Ala-NH2	57	0.44	129	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Phe-Ala-NH2
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Ser-Tyr-Phe-NH2	44	0.247	178.1	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Ser-Tyr-Phe-NH2
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-tertBE	31.3	0.294	106	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-tertBE
glutaminyl cyclase (StQC)	Solanum tuberosum	H-Gln-Val-Ala-OH	27	0.272	99	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), H-Gln-Val-Ala-OH
glutaminyl cyclase (StQC)	Solanum tuberosum	L-glutaminyl-beta-naphthylamine	45	0.056	804	pH 8, 30 °C	PMID 17261077	Open record: glutaminyl cyclase (StQC), L-glutaminyl-beta-naphthylamine
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-7-amido-4-methylcoumarin	0.45	0.3	1.46	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-7-amido-4-methylcoumarin
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Ala-Ala-Glu	0.054	1.6	0.034	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Ala-Ala-Glu
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Ala-Ala-Phe	8 × 10⁻⁵	0.1	8 × 10⁻⁴	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Ala-Ala-Phe
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Ala-Arg-Ala	0.0032	24.4	0.0013	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Ala-Arg-Ala
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Ala-Glu-Ala	0.0042	0.2	0.02	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Ala-Glu-Ala
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Ala-Phe-Ala	0.0064	2.1	0.0031	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Ala-Phe-Ala
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Arg-Ala-Ala	0.0074	2.9	0.0026	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Arg-Ala-Ala
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Gln	0.27	20.4	0.013	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Gln
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Glu	0.021	4.2	0.0049	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Glu
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Glu-Ala-Ala	0.007	1.1	0.0067	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Glu-Ala-Ala
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Gly	32	3.8	8.5	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Gly
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Gly-Gly-Gly	0.012	5.6	0.0021	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Gly-Gly-Gly
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-NH2	61.5	2.9	21.2	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-NH2
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-Phe-Ala-Ala	0.084	3.5	0.24	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-Phe-Ala-Ala
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	Gln-β-naphthylamide	2.7	0.4	6.64	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), Gln-β-naphthylamide
glutaminyl cyclase (ZmQC)	Zymomonas mobilis	glutamine tert-butyl ester	128	8.2	15.7	pH 6	PMID 20868223	Open record: glutaminyl cyclase (ZmQC), glutamine tert-butyl ester
glutaminyl cyclase isoenzyme (isoQC) (human)	Homo sapiens	H-Gln-Glu-Asp-Leu-NH2	—	—	10	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human), H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase isoenzyme (isoQC) (human)	Homo sapiens	H-Gln-Glu-Tyr-Phe-NH2	—	—	110	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human), H-Gln-Glu-Tyr-Phe-NH2
glutaminyl cyclase isoenzyme (isoQC) (human)	Homo sapiens	H-Gln-Phe-Ala-NH2	—	—	33	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human), H-Gln-Phe-Ala-NH2
glutaminyl cyclase isoenzyme (isoQC) (human)	Homo sapiens	H-Gln-Tyr-Ala-NH2	—	—	66	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human), H-Gln-Tyr-Ala-NH2
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N	Homo sapiens	H-Gln-Gln-OH	6.2	0.19	33 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N, H-Gln-Gln-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N	Homo sapiens	H-Gln-Glu-OH	4.9	0.79	6.2 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N, H-Gln-Glu-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N	Homo sapiens	L-glutamine beta-naphthylamide	12	0.058	210 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N, L-glutamine beta-naphthylamide
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Gln-OHstarting at Glu60 (Table 1 label prints F60	5.7	0.19	30 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Gln-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Gln-OHstarting at Glu60 (Table 1 label prints F60; deglycosylated	4.6	0.16	29 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Gln-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Gln-OHC-terminal His6 tag; secreted from Pichia pastoris	2.7	0.11	54	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Gln-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Glu-Asp-Leu-NH2	6.4	0.16	55	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Glu-OHstarting at Glu60 (Table 1 label prints F60	4.9	1.1	4.5 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Glu-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Glu-OHstarting at Glu60 (Table 1 label prints F60; deglycosylated	4.3	0.89	4.8 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Glu-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Glu-OHC-terminal His6 tag; secreted from Pichia pastoris	2.6	0.61	9	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Glu-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Glu-Tyr-Phe-NH2	3.3	0.04	123	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Glu-Tyr-Phe-NH2
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Gly-OH	1.65	0.36	9	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Gly-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Gly-Pro-OH	4	0.23	38	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Gly-Pro-OH
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Phe-Ala-NH2	7.5	0.1	117	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Phe-Ala-NH2
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	H-Gln-Tyr-Ala-NH2	7.7	0.08	207	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, H-Gln-Tyr-Ala-NH2
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	L-glutamine 7-amido-4-methylcoumarin	1.07	0.03	103	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, L-glutamine 7-amido-4-methylcoumarin
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	L-glutamine beta-naphthylamidestarting at Glu60 (Table 1 label prints F60	9	0.034	260 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, L-glutamine beta-naphthylamide
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	L-glutamine beta-naphthylamidestarting at Glu60 (Table 1 label prints F60; deglycosylated	7	0.039	180 calc.	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, L-glutamine beta-naphthylamide
glutaminyl cyclase isoenzyme (isoQC) (human)variant I73N/C369A	Homo sapiens	L-glutamine beta-naphthylamideC-terminal His6 tag; secreted from Pichia pastoris	3.4	0.035	229	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (human) variant I73N/C369A, L-glutamine beta-naphthylamide
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	H-Gln-Gln-OH	8.66	0.092	95	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, H-Gln-Gln-OH
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	H-Gln-Glu-Asp-Leu-NH2	6.4	0.16	104	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, H-Gln-Glu-Asp-Leu-NH2
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	H-Gln-Glu-OH	7.79	0.47	16	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, H-Gln-Glu-OH
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	H-Gln-Glu-Tyr-Phe-NH2	11.78	0.029	413	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, H-Gln-Glu-Tyr-Phe-NH2
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	H-Gln-Gly-OH	4.57	0.16	28	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, H-Gln-Gly-OH
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	H-Gln-Gly-Pro-OH	11.4	0.102	111	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, H-Gln-Gly-Pro-OH
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	H-Gln-Phe-Ala-NH2	24.1	0.06	403	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, H-Gln-Phe-Ala-NH2
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	H-Gln-Tyr-Ala-NH2	22.9	0.058	394	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, H-Gln-Tyr-Ala-NH2
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	L-glutamine 7-amido-4-methylcoumarin	6.98	0.03	311	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, L-glutamine 7-amido-4-methylcoumarin
glutaminyl cyclase isoenzyme (isoQC) (murine)variant I74N	Mus musculus	L-glutamine beta-naphthylamide	17.48	0.032	554	pH 8, 30 °C	PMID 19804409	Open record: glutaminyl cyclase isoenzyme (isoQC) (murine) variant I74N, L-glutamine beta-naphthylamide
isoDromeQC (glutaminyl cyclase)	Drosophila melanogaster	H-Gln-Tyr-Ala-OH	—	—	0.72	pH 8, 30 °C	PMID 17722885	Open record: isoDromeQC (glutaminyl cyclase), H-Gln-Tyr-Ala-OH