EC 4.4.1.8: cystathionine beta-lyase

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CatLog read 5 records for EC 4.4.1.8 from 3 papers, for 3 organisms. Names in these papers: beta-cystathionase (osteotoxin), cystathionine β-lyase PuCBL, MalY (Ls-MalY), bifunctional amino acid racemase / cystathionine beta-lyase homolog.

EC 4.4.1.8 is no longer current; BRENDA: “transferred to EC 4.4.1.13”.

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

Papers

Papers with records for EC 4.4.1.8
Paper	Organisms	Records
Primordial-like enzymes from bacteria with reduced genomes	Pelagibacter ubique	2
Toxicity of Bordetella avium beta-cystathionase toward MC3T3-E1 osteogenic cells	Bordetella avium	2
A Novel Bifunctional Amino Acid Racemase With Multiple Substrate Specificity, MalY From Lactobacillus sakei LT-13: Genome-Based Identification and Enzymological Characterization	Lactobacillus sakei	1

Records

Records for EC 4.4.1.8 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
beta-cystathionase (osteotoxin)	Bordetella avium	D-cystine	—	5	—		PMID 8463265	Open record: beta-cystathionase (osteotoxin), D-cystine
beta-cystathionase (osteotoxin)	Bordetella avium	L-cystine	—	0.077	—		PMID 8463265	Open record: beta-cystathionase (osteotoxin), L-cystine
cystathionine β-lyase PuCBL	Pelagibacter ubique	L-alanine	0.15	12	0.012	pH 8.8, 37 °C	PMID 28640457	Open record: cystathionine β-lyase PuCBL, L-alanine
cystathionine β-lyase PuCBL	Pelagibacter ubique	L-cystathionine	1	2.1	0.47	pH 8.8, 37 °C	PMID 28640457	Open record: cystathionine β-lyase PuCBL, L-cystathionine
MalY (Ls-MalY), bifunctional amino acid racemase / cystathionine beta-lyase homolog	Lactobacillus sakei	L-cysteine	930	11.5	80.9	pH 10, 35 °C	PMID 29563907	Open record: MalY (Ls-MalY), bifunctional amino acid racemase / cystathionine beta-lyase homolog, L-cysteine