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ENZYME entry: EC 2.5.1.47

Accepted Name
cysteine synthase
Alternative Name(s)
acetylserine sulfhydrylase
cysteine synthetase
O(3)-acetyl-L-serine acetate-lyase (adding hydrogen-sulfide)
O-acetyl-L-serine sulfhydrylase
O-acetyl-L-serine sulfohydrolase
O-acetylserine (thiol)-lyase
O-acetylserine (thiol)-lyase A
O-acetylserine sulfhydrylase
OAS sulfhydrylase
Reaction catalysed
hydrogen sulfide + O-acetyl-L-serine <=> acetate + L-cysteine
Comment(s)
  • 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.
Cross-references
BRENDA2.5.1.47
EC2PDB2.5.1.47
ExplorEnz2.5.1.47
PRIAM enzyme-specific profiles2.5.1.47
KEGG Ligand Database for Enzyme Nomenclature2.5.1.47
IUBMB Enzyme Nomenclature2.5.1.47
IntEnz2.5.1.47
MEDLINEFind literature relating to 2.5.1.47
MetaCyc2.5.1.47
Rhea expert-curated reactions2.5.1.47
UniProtKB/Swiss-Prot
Q76MX2, CAS1_SOLTUQ9FS29, CAS2_SOLTUF4K5T2, CGL_ARATH
Q9S757, CYSC1_ARATHQ43153, CYSC_SPIOLQ9S6Z7, CYSD1_ARATH
Q9SXS7, CYSD2_ARATHQ92441, CYSD_KLULAP06106, CYSD_YEAST
P47998, CYSK1_ARATHO23733, CYSK1_BRAJUQ93244, CYSK1_CAEEL
Q9XEA6, CYSK1_ORYSJO23735, CYSK2_BRAJUO45679, CYSK2_CAEEL
Q9XEA8, CYSK2_ORYSJO01592, CYSK3_CAEELQ5BD67, CYSKL_EMENI
Q7SHQ1, CYSKL_NEUCRP87131, CYSKL_SCHPOQ43725, CYSKM_ARATH
P47999, CYSKP_ARATHP31300, CYSKP_CAPANO81155, CYSKP_SOLTU
P32260, CYSKP_SPIOLP37887, CYSK_BACSUP57171, CYSK_BUCAI
Q8KA48, CYSK_BUCAPQ43317, CYSK_CITLAP81340, CYSK_CLOPA
Q54CN7, CYSK_DICDIP0ABK6, CYSK_ECO57P0ABK5, CYSK_ECOLI
P50867, CYSK_EMENIQ59447, CYSK_FLAS3P45040, CYSK_HAEIN
P80608, CYSK_MAIZEP0A535, CYSK_MYCBOO32978, CYSK_MYCLE
P9WP54, CYSK_MYCTOP9WP55, CYSK_MYCTUQ7DDL5, CYSK_NEIMB
Q7RYW6, CYSK_NEUCRP84538, CYSK_POPEUP0A1E4, CYSK_SALTI
P0A1E3, CYSK_SALTYO59701, CYSK_SCHPOO81154, CYSK_SOLTU
Q00834, CYSK_SPIOLQ5HIG2, CYSK_STAACP63870, CYSK_STAAM
P63871, CYSK_STAANQ6GJF8, CYSK_STAARQ6GBX5, CYSK_STAAS
P63872, CYSK_STAAWQ5HRP1, CYSK_STAEQQ8CMT6, CYSK_STAES
Q59918, CYSK_STAHAQ5XAQ3, CYSK_STRP6Q59966, CYSK_SYNE7
P73410, CYSK_SYNY3P38076, CYSK_WHEATO67507, CYSM_AQUAE
O34476, CYSM_BACSUP71128, CYSM_CAMJEP16703, CYSM_ECOLI
Q9ZMW6, CYSM_HELPJP56067, CYSM_HELPYQ9I526, CYSM_PSEAE
P48028, CYSM_PSESYP29848, CYSM_SALTYQ9YBL2, CYSO_AERPE
D2Z027, DCSD_STRLAP53206, MCY1_YEASTQ12198, METW_YEAST
P55708, Y4XP_SINFN

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.5.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.5.-.-
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