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4GYY

Crystal structure of human O-GlcNAc Transferase with UDP-5SGlcNAc and a peptide substrate

Functional Information from GO Data
ChainGOidnamespacecontents
A0006493biological_processprotein O-linked glycosylation
A0016757molecular_functionglycosyltransferase activity
C0006493biological_processprotein O-linked glycosylation
C0016757molecular_functionglycosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues32
DetailsBINDING SITE FOR RESIDUE 12V A 1501
ChainResidue
AHIS498
ATYR841
ALYS842
ALEU866
AVAL895
AALA896
ALYS898
AHIS901
AARG904
ACYS917
AHIS920
APRO559
ATHR921
ATHR922
AASP925
AHOH1604
AHOH1627
AHOH1717
AHOH1765
AHOH1786
BTHR18
BPRO19
ATHR560
BVAL20
BSER21
BHOH201
ALEU563
ALEU653
AGLY654
APRO656
APHE694
AGLN839

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 1502
ChainResidue
AGLY365
ALEU367
AGLN368
AHOH1769
AHOH1977

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 101
ChainResidue
ALYS634
AGLY635
AHOH1798
BASN24
BMET25

site_idAC4
Number of Residues32
DetailsBINDING SITE FOR RESIDUE 12V C 1501
ChainResidue
CHIS498
CPRO559
CTHR560
CLEU563
CLEU653
CGLY654
CPRO656
CPHE694
CGLN839
CTYR841
CLYS842
CLEU866
CVAL895
CALA896
CLYS898
CHIS901
CARG904
CCYS917
CHIS920
CTHR921
CTHR922
CASP925
CHOH1602
CHOH1720
CHOH1789
CHOH1835
DTHR18
DPRO19
DVAL20
DSER21
DHOH201
DHOH203

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 D 101
ChainResidue
CGLY635
CHOH1861
DASN24
DMET25

site_idAC6
Number of Residues26
DetailsBINDING SITE FOR CHAIN B OF CASEIN KINASE II SUBUNIT ALPHA
ChainResidue
BHOH201
BHOH202
BHOH203
BHOH204
BHOH208
ALEU371
ALYS375
ALEU395
AASP400
AASP431
ASER494
AHIS496
AHIS517
AASN557
AHIS558
APRO559
ATYR632
ATHR633
ALYS634
AGLN839
AVAL895
A12V1501
AHOH1620
AHOH1627
BTYR13
BSO4101

site_idAC7
Number of Residues29
DetailsBINDING SITE FOR CHAIN D OF CASEIN KINASE II SUBUNIT ALPHA
ChainResidue
CLEU371
CLYS375
CLEU395
CASP400
CASP431
CSER494
CHIS496
CHIS517
CASN557
CHIS558
CPRO559
CTYR632
CTHR633
CLYS634
CGLN839
CVAL895
C12V1501
DTYR13
DSO4101
DHOH201
DHOH202
DHOH203
DHOH204
DHOH205
DHOH206
DHOH207
DHOH208
DHOH212
DHOH213

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues33
DetailsRepeat: {"description":"TPR 9"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues66
DetailsRepeat: {"description":"TPR 10"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues66
DetailsRepeat: {"description":"TPR 11"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues66
DetailsRepeat: {"description":"TPR 12"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues20
DetailsRepeat: {"description":"TPR 13; truncated"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues38
DetailsRegion: {"description":"Required for phosphatidylinositol 3,4,5-triphosphate binding","evidences":[{"source":"UniProtKB","id":"P56558","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsMotif: {"description":"DFP motif","evidences":[{"source":"PubMed","id":"27713473","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues32
DetailsMotif: {"description":"Nuclear localization signal","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"21240259","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26678539","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"23103939","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4GYW","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by AMPK","evidences":[{"source":"PubMed","id":"24563466","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"37541260","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P56558","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsGlycosylation: {"description":"O-linked (GlcNAc) serine; by autocatalysis","evidences":[{"source":"PubMed","id":"27713473","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by CDK1","evidences":[{"source":"PubMed","id":"7592773","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

250835

PDB entries from 2026-03-18

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