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4AY6

Human O-GlcNAc transferase (OGT) in complex with UDP-5SGlcNAc and substrate peptide

Functional Information from GO Data
ChainGOidnamespacecontents
A0006493biological_processprotein O-linked glycosylation
A0016757molecular_functionglycosyltransferase activity
B0006493biological_processprotein O-linked glycosylation
B0016757molecular_functionglycosyltransferase activity
C0006493biological_processprotein O-linked glycosylation
C0016757molecular_functionglycosyltransferase activity
D0006493biological_processprotein O-linked glycosylation
D0016757molecular_functionglycosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 1100
ChainResidue
ALYS634
AGLY635
EGLN1398
ESER1399

site_idAC2
Number of Residues23
DetailsBINDING SITE FOR RESIDUE 12V A 1200
ChainResidue
AGLY654
APRO656
AGLN839
ATYR841
ALYS842
ALEU866
AALA896
ALYS898
AHIS901
AARG904
ACYS917
AHIS920
ATHR921
ATHR922
AASP925
EVAL1392
ETYR1394
EDNP1395
AHIS498
APRO559
ATHR560
AHIS562
ALEU653

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 1100
ChainResidue
BLYS634
BGLY635
FGLN1398
FSER1399

site_idAC4
Number of Residues23
DetailsBINDING SITE FOR RESIDUE 12V B 1200
ChainResidue
BHIS498
BTHR560
BLEU653
BGLY654
BPRO656
BGLN839
BTYR841
BLYS842
BLEU866
BVAL895
BALA896
BLYS898
BHIS901
BARG904
BCYS917
BHIS920
BTHR921
BTHR922
BASP925
FVAL1392
FPRO1393
FTYR1394
FDNP1395

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 C 1100
ChainResidue
CLYS634
CGLY635
GGLN1398
GSER1399

site_idAC6
Number of Residues23
DetailsBINDING SITE FOR RESIDUE 12V C 1200
ChainResidue
CHIS498
CPRO559
CTHR560
CLEU653
CGLY654
CPRO656
CGLN839
CTYR841
CLYS842
CLEU866
CVAL895
CALA896
CLYS898
CHIS901
CARG904
CCYS917
CHIS920
CTHR921
CTHR922
CASP925
GVAL1392
GTYR1394
GDNP1395

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 D 1100
ChainResidue
DLYS634
DGLY635
HGLN1398
HSER1399

site_idAC8
Number of Residues23
DetailsBINDING SITE FOR RESIDUE 12V D 1200
ChainResidue
DARG904
DCYS917
DHIS920
DTHR921
DTHR922
DASP925
HVAL1392
HTYR1394
HDNP1395
DHIS498
DPRO559
DTHR560
DLEU653
DGLY654
DPRO656
DGLN839
DTYR841
DLYS842
DLEU866
DVAL895
DALA896
DLYS898
DHIS901

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues132
DetailsRepeat: {"description":"TPR 9"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues132
DetailsRepeat: {"description":"TPR 10"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues132
DetailsRepeat: {"description":"TPR 11"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues132
DetailsRepeat: {"description":"TPR 12"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues40
DetailsRepeat: {"description":"TPR 13; truncated"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues76
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 Residues8
DetailsMotif: {"description":"DFP motif","evidences":[{"source":"PubMed","id":"27713473","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues64
DetailsMotif: {"description":"Nuclear localization signal","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues4
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 Residues40
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"23103939","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4GYW","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues4
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 Residues4
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P56558","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues4
DetailsGlycosylation: {"description":"O-linked (GlcNAc) serine; by autocatalysis","evidences":[{"source":"PubMed","id":"27713473","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues4
DetailsGlycosylation: {"description":"O-linked (GlcNAc) serine","evidences":[{"source":"PubMed","id":"22307082","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28939839","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

243531

PDB entries from 2025-10-22

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