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5B3A

Crystal Structure of O-Phoshoserine Sulfhydrylase from Aeropyrum pernix in Complexed with the alpha-Aminoacrylate Intermediate

Functional Information from GO Data
ChainGOidnamespacecontents
A0004122molecular_functioncystathionine beta-synthase activity
A0004124molecular_functioncysteine synthase activity
A0006535biological_processcysteine biosynthetic process from serine
A0008652biological_processamino acid biosynthetic process
A0016740molecular_functiontransferase activity
A0016829molecular_functionlyase activity
A0019344biological_processcysteine biosynthetic process
A0033847molecular_functionO-phosphoserine sulfhydrylase activity
B0004122molecular_functioncystathionine beta-synthase activity
B0004124molecular_functioncysteine synthase activity
B0006535biological_processcysteine biosynthetic process from serine
B0008652biological_processamino acid biosynthetic process
B0016740molecular_functiontransferase activity
B0016829molecular_functionlyase activity
B0019344biological_processcysteine biosynthetic process
B0033847molecular_functionO-phosphoserine sulfhydrylase activity
Functional Information from PDB Data
site_idAC1
Number of Residues7
Detailsbinding site for residue MPD A 401
ChainResidue
AMET82
AGLY94
APRO96
ATHR97
AHOH535
AHOH568
BTYR119

site_idAC2
Number of Residues21
Detailsbinding site for residue 0JO A 402
ChainResidue
ASER153
AASN155
APHE156
AGLN224
ASER259
AGLY261
ATHR262
ASER263
AGLY264
AHIS265
AGLY295
AILE296
ASER341
APRO368
AASP369
ATYR374
AHOH541
AHOH546
AHOH591
ALYS127
ATHR152

site_idAC3
Number of Residues5
Detailsbinding site for residue MPD B 401
ChainResidue
AARG332
BSER65
BARG165
BHOH515
BHOH592

site_idAC4
Number of Residues21
Detailsbinding site for residue 0JO B 402
ChainResidue
BLYS127
BTHR152
BSER153
BASN155
BPHE156
BGLN224
BSER259
BGLY261
BTHR262
BSER263
BGLY264
BHIS265
BGLY295
BILE296
BSER341
BPRO368
BASP369
BTYR374
BHOH556
BHOH563
BHOH569

Functional Information from PROSITE/UniProt
site_idPS00901
Number of Residues20
DetailsCYS_SYNTHASE Cysteine synthase/cystathionine beta-synthase P-phosphate attachment site. KlEwynpFSlSVKdRpAveI
ChainResidueDetails
ALYS115-ILE134

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16005886","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine"}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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