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ENZYME entry: EC 2.5.1.144

Accepted Name
S-sulfo-L-cysteine synthase (O-acetyl-L-serine-dependent).
Alternative Name(s)
Cysteine synthase B.
Reaction catalysed
O-acetyl-L-serine + thiosulfate <=> S-sulfo-L-cysteine + acetate
Comment(s)
  • In plants, the activity is catalyzed by a chloroplastic enzyme that plays an important role in chloroplast function and is essential for light-dependent redox regulation within the chloroplast.
  • The bacterial enzyme also catalyzes the activity of EC 2.5.1.47.
  • Cf. EC 2.8.5.1.
Cross-references
BRENDA2.5.1.144
EC2PDB2.5.1.144
ExplorEnz2.5.1.144
PRIAM enzyme-specific profiles2.5.1.144
KEGG Ligand Database for Enzyme Nomenclature2.5.1.144
IUBMB Enzyme Nomenclature2.5.1.144
IntEnz2.5.1.144
MEDLINEFind literature relating to 2.5.1.144
MetaCyc2.5.1.144
Rhea expert-curated reactions2.5.1.144
UniProtKB/Swiss-Prot
O22682, CYSK4_ARATH

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