2.5.1.113: [CysO sulfur-carrier protein]-thiocarboxylate-dependent cysteine synthase

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For detailed information about [CysO sulfur-carrier protein]-thiocarboxylate-dependent cysteine synthase, go to the full flat file.

Reaction

Synonyms

CysM, Cysteine synthase, O-phosphoserine sulfhydrylase, O-phosphoserine-specific cysteine synthase, Rv1336

ECTree

     2 Transferases

         2.5 Transferring alkyl or aryl groups, other than methyl groups

             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)

                2.5.1.113 [CysO sulfur-carrier protein]-thiocarboxylate-dependent cysteine synthase

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Results	in table
86	AA Sequence
4	Cloned(Commentary)
3	Cofactor
3	Crystallization (Commentary)
4	kcat/KM [mM/s]
9	Natural Substrates/ Products (Substrates)
391	Organism
1	Pathway
22	PDB ID
4	Protein Variants
4	Purification (Commentary)
1	Reaction
9	Reference
12	Substrates and Products (Substrate)
3	Subunits
16	Synonyms
1	Systematic Name
1	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 2.5.1.113 - [CysO sulfur-carrier protein]-thiocarboxylate-dependent cysteine synthase

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SYSTEMATIC NAME

IUBMB Comments

O-phospho-L-serine:thiocarboxylated [CysO sulfur-carrier protein] 2-amino-2-carboxyethyltransferase

A pyridoxal-phosphate protein. The enzyme participates in an alternative pathway for L-cysteine biosynthesis that involves a protein-bound thiocarboxylate as the sulfide donor. The enzyme from the bacterium Mycobacterium tuberculosis also has very low activity with O3-acetyl-L-serine (cf. EC 2.5.1.65, O-phosphoserine sulfhydrylase).