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Molecular basis of cysteine biosynthesis in plants: structural and functional analysis of O-acetylserine sulfhydrylase from Arabidopsis thaliana

PMID 16166087doi:10.1074/jbc.m505313200Open in Browse

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CatLog read 40 records (120 values) from this paper: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) from Arabidopsis thaliana.

Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units. Values are in CatLog's units; each record opens in Browse with the line the paper prints and the checks.

EC 4.2.99.8

Records read from this paper
Enzyme	Organism	Substrate	k_cat (s⁻¹)	K_m (mM)	k_cat/K_m (mM⁻¹ s⁻¹)	Conditions	Open record
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)	Arabidopsis thaliana	O-acetylserine	1.78 × 10³	1.4	1.27 × 10³	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform), O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)	Arabidopsis thaliana	sodium sulfide	2.17 × 10³	0.22	9.86 × 10³	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform), sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant H157N	Arabidopsis thaliana	O-acetylserine	1.52 × 10³	0.94	1617	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant H157N, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant H157N	Arabidopsis thaliana	sodium sulfide	1.99 × 10³	0.4	4975	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant H157N, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant H157Q	Arabidopsis thaliana	O-acetylserine	1055	0.91	1.16 × 10³	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant H157Q, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant H157Q	Arabidopsis thaliana	sodium sulfide	1.78 × 10³	0.3	5.93 × 10³	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant H157Q, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant N77A	Arabidopsis thaliana	O-acetylserine	403	4.7	85.7	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant N77A, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant N77A	Arabidopsis thaliana	sodium sulfide	155	0.23	674	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant N77A, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant N77D	Arabidopsis thaliana	O-acetylserine	0.34	10.2	0.033	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant N77D, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant N77D	Arabidopsis thaliana	sodium sulfide	0.73	0.18	4.055	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant N77D, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant Q147A	Arabidopsis thaliana	O-acetylserine	4.02	4.4	0.914	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant Q147A, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant Q147A	Arabidopsis thaliana	sodium sulfide	12.5	1.7	7.35	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant Q147A, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant Q147E	Arabidopsis thaliana	O-acetylserine	0.19	3.8	0.05	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant Q147E, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant Q147E	Arabidopsis thaliana	sodium sulfide	0.22	0.27	0.815	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant Q147E, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S269A	Arabidopsis thaliana	O-acetylserine	34.3	0.57	60.2	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S269A, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S269A	Arabidopsis thaliana	sodium sulfide	29.5	0.54	54.6	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S269A, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S269T	Arabidopsis thaliana	O-acetylserine	572	0.96	596	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S269T, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S269T	Arabidopsis thaliana	sodium sulfide	929	1.6	581	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S269T, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S75A	Arabidopsis thaliana	O-acetylserine	7.16	1.6	4.475	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S75A, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S75A	Arabidopsis thaliana	sodium sulfide	20.2	4.6	4.39	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S75A, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S75N	Arabidopsis thaliana	O-acetylserine	0.09	2	0.045	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S75N, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S75N	Arabidopsis thaliana	sodium sulfide	1.45	5.7	0.254	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S75N, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S75T	Arabidopsis thaliana	O-acetylserine	51.5	1.2	42.9	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S75T, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant S75T	Arabidopsis thaliana	sodium sulfide	82.7	0.21	394	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant S75T, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T182A	Arabidopsis thaliana	O-acetylserine	889	1.2	741	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T182A, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T182A	Arabidopsis thaliana	sodium sulfide	1.6 × 10³	0.39	4 × 10³	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T182A, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T182S	Arabidopsis thaliana	O-acetylserine	1.66 × 10³	1.6	1038	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T182S, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T182S	Arabidopsis thaliana	sodium sulfide	1.69 × 10³	0.22	7.68 × 10³	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T182S, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T185A	Arabidopsis thaliana	O-acetylserine	1.07	1.5	0.713	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T185A, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T185A	Arabidopsis thaliana	sodium sulfide	1.44	0.22	6.55	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T185A, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T185S	Arabidopsis thaliana	O-acetylserine	3.11	1.6	1.94	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T185S, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T185S	Arabidopsis thaliana	sodium sulfide	5.57	0.36	15.5	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T185S, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T74A	Arabidopsis thaliana	O-acetylserine	0.08	1.6	0.05	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T74A, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T74A	Arabidopsis thaliana	sodium sulfide	0.42	3.9	0.108	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T74A, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T74S	Arabidopsis thaliana	O-acetylserine	456	1.5	304	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T74S, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T74S	Arabidopsis thaliana	sodium sulfide	1.7 × 10³	3.2	531	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T74S, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T78A	Arabidopsis thaliana	O-acetylserine	554	0.68	815	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T78A, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T78A	Arabidopsis thaliana	sodium sulfide	537	0.44	1.22 × 10³	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T78A, sodium sulfide
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T78S	Arabidopsis thaliana	O-acetylserine	775	0.82	945	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T78S, O-acetylserine
O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform)variant T78S	Arabidopsis thaliana	sodium sulfide	370	0.3	1.23 × 10³	pH 7, 25 °C	Open record: O-acetylserine sulfhydrylase (AtOASS, cytosolic isoform) variant T78S, sodium sulfide