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2Z87

Crystal structure of chondroitin polymerase from Escherichia coli strain K4 (K4CP) complexed with UDP-GalNAc and UDP

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0046872molecular_functionmetal ion binding
A0047238molecular_functionglucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase activity
A0050510molecular_functionN-acetylgalactosaminyl-proteoglycan 3-beta-glucuronosyltransferase activity
B0003824molecular_functioncatalytic activity
B0016740molecular_functiontransferase activity
B0016757molecular_functionglycosyltransferase activity
B0046872molecular_functionmetal ion binding
B0047238molecular_functionglucuronosyl-N-acetylgalactosaminyl-proteoglycan 4-beta-N-acetylgalactosaminyltransferase activity
B0050510molecular_functionN-acetylgalactosaminyl-proteoglycan 3-beta-glucuronosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MN A 1
ChainResidue
AASP241
AHIS386
AHOH690

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MN A 2
ChainResidue
AASP521
AASP522
AHIS631

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN B 3
ChainResidue
BHOH746
BASP241
BHIS386
BHOH712

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MN B 4
ChainResidue
BASP521
BHIS631

site_idAC5
Number of Residues19
DetailsBINDING SITE FOR RESIDUE UD2 B 683
ChainResidue
BPRO157
BTHR158
BTYR159
BARG161
BASP188
BGLY216
BTYR217
BLEU219
BARG223
BASP239
BCYS240
BASP241
BTRP358
BGLY359
BGLU361
BASP362
BHIS386
BHOH712
BHOH746

site_idAC6
Number of Residues20
DetailsBINDING SITE FOR RESIDUE UD2 A 683
ChainResidue
APRO157
ATHR158
ATYR159
AARG161
AASP188
AGLY216
ATYR217
ALEU219
AARG223
AASP239
ACYS240
AASP241
AMET242
AARG268
AGLY336
AGLU361
AASP362
AHIS386
AHOH690
AHOH694

site_idAC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE UDP A 684
ChainResidue
APRO439
ATYR441
AASP469
AASN496
AGLY498
AILE499
AALA502
ASER520
AASP521
AARG628
AHIS631

site_idAC8
Number of Residues10
DetailsBINDING SITE FOR RESIDUE UDP B 1
ChainResidue
BPRO439
BTYR441
BASP469
BASN496
BILE499
BALA502
BASP519
BSER520
BHIS631
BHOH689

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18771653","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1fr8
ChainResidueDetails
AGLU361
AASN363

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1fr8
ChainResidueDetails
BGLU361
BASN363

247947

PDB entries from 2026-01-21

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