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3X43

Crystal structure of O-ureido-L-serine synthase

Functional Information from GO Data
ChainGOidnamespacecontents
A0004124molecular_functioncysteine synthase activity
A0006535biological_processL-cysteine biosynthetic process from L-serine
A0008652biological_processamino acid biosynthetic process
A0016740molecular_functiontransferase activity
A0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
A0017000biological_processantibiotic biosynthetic process
A0019344biological_processL-cysteine biosynthetic process
B0004124molecular_functioncysteine synthase activity
B0006535biological_processL-cysteine biosynthetic process from L-serine
B0008652biological_processamino acid biosynthetic process
B0016740molecular_functiontransferase activity
B0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
B0017000biological_processantibiotic biosynthetic process
B0019344biological_processL-cysteine biosynthetic process
C0004124molecular_functioncysteine synthase activity
C0006535biological_processL-cysteine biosynthetic process from L-serine
C0008652biological_processamino acid biosynthetic process
C0016740molecular_functiontransferase activity
C0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
C0017000biological_processantibiotic biosynthetic process
C0019344biological_processL-cysteine biosynthetic process
D0004124molecular_functioncysteine synthase activity
D0006535biological_processL-cysteine biosynthetic process from L-serine
D0008652biological_processamino acid biosynthetic process
D0016740molecular_functiontransferase activity
D0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
D0017000biological_processantibiotic biosynthetic process
D0019344biological_processL-cysteine biosynthetic process
E0004124molecular_functioncysteine synthase activity
E0006535biological_processL-cysteine biosynthetic process from L-serine
E0008652biological_processamino acid biosynthetic process
E0016740molecular_functiontransferase activity
E0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
E0017000biological_processantibiotic biosynthetic process
E0019344biological_processL-cysteine biosynthetic process
F0004124molecular_functioncysteine synthase activity
F0006535biological_processL-cysteine biosynthetic process from L-serine
F0008652biological_processamino acid biosynthetic process
F0016740molecular_functiontransferase activity
F0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
F0017000biological_processantibiotic biosynthetic process
F0019344biological_processL-cysteine biosynthetic process
G0004124molecular_functioncysteine synthase activity
G0006535biological_processL-cysteine biosynthetic process from L-serine
G0008652biological_processamino acid biosynthetic process
G0016740molecular_functiontransferase activity
G0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
G0017000biological_processantibiotic biosynthetic process
G0019344biological_processL-cysteine biosynthetic process
H0004124molecular_functioncysteine synthase activity
H0006535biological_processL-cysteine biosynthetic process from L-serine
H0008652biological_processamino acid biosynthetic process
H0016740molecular_functiontransferase activity
H0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
H0017000biological_processantibiotic biosynthetic process
H0019344biological_processL-cysteine biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE PLP A 401
ChainResidue
ALYS43
AGLY221
ALEU222
ASER265
APRO291
AASP292
ATYR297
AHOH510
AHOH517
AASN73
APHE176
AGLY177
ATHR178
ATHR179
AGLY180
ATHR181
AGLN220

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE PLP B 401
ChainResidue
BLYS43
BASN73
BPHE176
BGLY177
BTHR178
BTHR179
BTHR181
BGLY221
BSER265
BPRO291
BASP292
BTYR297
BHOH512
BHOH520

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE PLP C 401
ChainResidue
CLYS43
CASN73
CPHE176
CGLY177
CTHR178
CTHR179
CGLY180
CTHR181
CGLN220
CSER265
CPRO291
CASP292
CTYR297
CHOH507
CHOH509

site_idAC4
Number of Residues18
DetailsBINDING SITE FOR RESIDUE PLP D 401
ChainResidue
DLYS43
DASN73
DPHE176
DGLY177
DTHR178
DTHR179
DGLY180
DTHR181
DGLN220
DGLY221
DLEU222
DSER265
DPRO291
DASP292
DTYR297
DHOH503
DHOH504
DHOH508

site_idAC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE PLP E 401
ChainResidue
ELYS43
EASN73
EPHE176
EGLY177
ETHR178
ETHR179
EGLY180
ETHR181
EGLN220
ELEU222
ESER265
EPRO291
EASP292
ETYR297
EHOH520

site_idAC6
Number of Residues18
DetailsBINDING SITE FOR RESIDUE PLP F 401
ChainResidue
FLYS43
FASN73
FPHE176
FGLY177
FTHR178
FTHR179
FGLY180
FTHR181
FGLN220
FGLY221
FLEU222
FSER265
FPRO291
FASP292
FTYR297
FHOH508
FHOH511
FHOH526

site_idAC7
Number of Residues16
DetailsBINDING SITE FOR RESIDUE PLP G 401
ChainResidue
GPHE176
GGLY177
GTHR178
GTHR179
GGLY180
GTHR181
GGLY221
GLEU222
GSER265
GPRO291
GASP292
GTYR297
GHOH506
GHOH507
GLYS43
GASN73

site_idAC8
Number of Residues17
DetailsBINDING SITE FOR RESIDUE PLP H 401
ChainResidue
HLYS43
HASN73
HPHE176
HGLY177
HTHR178
HTHR179
HGLY180
HTHR181
HGLN220
HGLY221
HSER265
HPRO291
HASP292
HTYR297
HHOH505
HHOH521
HHOH527

Functional Information from PROSITE/UniProt
site_idPS00901
Number of Residues19
DetailsCYS_SYNTHASE Cysteine synthase/cystathionine beta-synthase P-phosphate attachment site. KvEsfn.PGgSVKdRlAlsV
ChainResidueDetails
ALYS32-VAL50

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues48
DetailsBinding site: {"evidences":[{"source":"PDB","id":"3X43","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine","evidences":[{"source":"PubMed","id":"26207937","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3X43","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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