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4HO1

The Crystal structure of Haemophilus influenzae O-acetylserine sulfhydrylase at 1.85A resolution

Functional Information from GO Data
ChainGOidnamespacecontents
X0003824molecular_functioncatalytic activity
X0004124molecular_functioncysteine synthase activity
X0005737cellular_componentcytoplasm
X0006535biological_processcysteine biosynthetic process from serine
X0008652biological_processamino acid biosynthetic process
X0016740molecular_functiontransferase activity
X0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
X0019344biological_processcysteine biosynthetic process
X0080146molecular_functionL-cysteine desulfhydrase activity
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL X 401
ChainResidue
XLEU214
XTHR248
XVAL249
XASP250
XTHR253
XARG282
XHOH545
XHOH601

site_idAC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE EDO X 402
ChainResidue
XARG259

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO X 403
ChainResidue
XGLY34
XARG35
XPRO37
XSER38
XGLU303
XHOH526

Functional Information from PROSITE/UniProt
site_idPS00901
Number of Residues19
DetailsCYS_SYNTHASE Cysteine synthase/cystathionine beta-synthase P-phosphate attachment site. KiEgrn.PSySVKcRiGanM
ChainResidueDetails
XLYS31-MET49

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P0A1E3","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"UniProtKB","id":"P0A1E3","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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