Enzyme

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     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)
ID:2.5.1.47
Description:Cysteine synthase.
Alternative Name: OAS sulfhydrylase.
O-acetylserine sulfhydrylase.
O-acetylserine (thiol)-lyase A.
O-acetylserine (thiol)-lyase.
O-acetyl-L-serine sulfohydrolase.
O-acetyl-L-serine sulfhydrylase.
O(3)-acetyl-L-serine acetate-lyase (adding hydrogen-sulfide).
Cysteine synthetase.
Acetylserine sulfhydrylase.
Prosite: PDOC00700;
PDB:
PDBScop
2BHT 8025722; 8038101; 8025722; 8038101; 8025722; 8038101; 8025722; 8038101;
2BHS 8025722; 8038101; 8025722; 8038101; 8025722; 8038101; 8025722; 8038101;
2V03 8025722; 8038101;
2ISQ 8022971; 8035351;
1Z7W 8022971; 8035351;
 » show all

Cath: 3.40.50.720; 3.40.640.10; 3.90.1150.10; 3.90.1530.20; 3.40.50.1100;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 2.5.1.47
BRENDA Enzyme Link: BRENDA 2.5.1.47
KEGG Enzyme Link: KEGG2.5.1.47
BioCyc Enzyme Link: BioCyc 2.5.1.47
ExPASy Enzyme Link: ExPASy2.5.1.47
EC2PDB Enzyme Link: EC2PDB 2.5.1.47
ExplorEnz Enzyme Link: ExplorEnz 2.5.1.47
PRIAM enzyme-specific profiles Link: PRIAM 2.5.1.47
IntEnz Enzyme Link: IntEnz 2.5.1.47
MEDLINE Enzyme Link: MEDLINE 2.5.1.47
MSA:

2.5.1.47;

Phylogenetic Tree:

2.5.1.47;

Uniprot:
M-CSA:
RHEA:14829 hydrogen sulfide + O-acetyl-L-serine = acetate + L-cysteine
RULE(radius=1) [*:1]-[CH2;+0:2]-[O;H0;+0:3]-[*:4].[SH2;+0:5]>>[*:1]-[CH2;+0:2]-[SH;+0:5].[*:4]-[OH;+0:3]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
The purification and characterization of O-acetylserine sulfhydrylase-A from Salmonella typhimurium.Becker MA, Kredich NM, Tomkins GM1969 May 104891157
A rapid purification procedure and computer-assisted sulfide ion selective electrode assay for O-acetylserine sulfhydrylase from Salmonella typhimurium.Hara S, Payne MA, Schnackerz KD, Cook PF1990 Sep2152186
Role of pyridoxal 5'-phosphate in the structural stabilization of O-acetylserine sulfhydrylase.Bettati S, Benci S, Campanini B, Raboni S, Chirico G, Beretta S, Schnackerz KD, Hazlett TL, Gratton E, Mozzarelli A2000 Dec 2210995767