Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

2PQM

Crystal structure of Cysteine Synthase (OASS) from Entamoeba histolytica at 1.86 A resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0004124molecular_functioncysteine synthase activity
A0006535biological_processcysteine biosynthetic process from serine
A0008652biological_processamino acid biosynthetic process
A0016740molecular_functiontransferase activity
A0019344biological_processcysteine biosynthetic process
B0004124molecular_functioncysteine synthase activity
B0006535biological_processcysteine biosynthetic process from serine
B0008652biological_processamino acid biosynthetic process
B0016740molecular_functiontransferase activity
B0019344biological_processcysteine biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 344
ChainResidue
ATHR85
ASER86
AGLY87
AGLN159
AHOH418
AHOH473

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 344
ChainResidue
BGLN159
BTHR85
BSER86
BMET136

site_idAC3
Number of Residues18
DetailsBINDING SITE FOR RESIDUE PLP A 345
ChainResidue
ALYS58
AASN88
AALA190
AGLY192
ATHR193
ASER194
AGLY195
ATHR196
AGLY236
AILE237
ASER280
APRO307
ASER308
ATYR313
AHOH347
AHOH348
AHOH374
AHOH445

site_idAC4
Number of Residues18
DetailsBINDING SITE FOR RESIDUE PLP B 345
ChainResidue
BLYS58
BASN88
BALA190
BGLY192
BTHR193
BSER194
BGLY195
BTHR196
BGLY236
BILE237
BSER280
BPRO307
BSER308
BTYR313
BHOH346
BHOH356
BHOH370
BHOH506

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1oas
ChainResidueDetails
ALYS58
ASER280

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1oas
ChainResidueDetails
BLYS58
BSER280

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1oas
ChainResidueDetails
ALYS58

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1oas
ChainResidueDetails
BLYS58

site_idCSA5
Number of Residues2
DetailsAnnotated By Reference To The Literature 1oas
ChainResidueDetails
ALYS58
ASER308

site_idCSA6
Number of Residues2
DetailsAnnotated By Reference To The Literature 1oas
ChainResidueDetails
BLYS58
BSER308

239149

PDB entries from 2025-07-23

PDB statisticsPDBj update infoContact PDBjnumon