CATH Classification

Domain Context

CATH Clusters

Superfamily 3.40.50.1100
Functional Family Cysteine synthase

Enzyme Information

4.5.1.5
S-carboxymethylcysteine synthase.
based on mapping to UniProt P0ABK6
3-chloro-L-alanine + thioglycolate = S-carboxymethyl-L-cysteine + chloride.
2.5.1.47
Cysteine synthase.
based on mapping to UniProt P0ABK6
O-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate.
-!- Some alkyl thiols, cyanide, pyrazole and some other heterocyclic compounds can act as acceptors. -!- Not identical with EC 2.5.1.51, EC 2.5.1.52 and EC 2.5.1.53. -!- Formerly EC 4.2.99.8.

UniProtKB Entries (2)

Q0T963
CDIA_ECOL5
Escherichia coli 536
TRNA nuclease CdiA
P0ABK6
CYSK_ECO57
Escherichia coli O157:H7
Cysteine synthase A

PDB Structure

PDB 5J43
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Unraveling the essential role of CysK in CDI toxin activation.
Johnson, P.M., Beck, C.M., Morse, R.P., Garza-Sanchez, F., Low, D.A., Hayes, C.S., Goulding, C.W.
Proc. Natl. Acad. Sci. U.S.A.
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