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4XI9

Human OGT in complex with UDP-5S-GlcNAc and substrate peptide (RBL2)

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 Residues24
Detailsbinding site for residue 12V A 1200
ChainResidue
AHIS498
ATYR841
ALYS842
AVAL895
AALA896
ALYS898
AHIS901
AARG904
ACYS917
AHIS920
ATHR921
APRO559
ATHR922
AASP925
EPRO1418
EVAL1419
ESER1420
ATHR560
ALEU563
ALEU653
AGLY654
APRO656
APHE694
AGLN839

site_idAC2
Number of Residues23
Detailsbinding site for residue 12V B 1200
ChainResidue
BHIS498
BHIS558
BPRO559
BTHR560
BLEU653
BGLY654
BPRO656
BGLN839
BTYR841
BLYS842
BLEU866
BVAL895
BALA896
BLYS898
BHIS901
BARG904
BCYS917
BHIS920
BTHR921
BTHR922
BASP925
FVAL1419
FSER1420

site_idAC3
Number of Residues23
Detailsbinding site for residue 12V C 1200
ChainResidue
CHIS498
CPRO559
CTHR560
CLEU563
CLEU653
CGLY654
CPHE694
CGLN839
CTYR841
CLYS842
CLEU866
CVAL895
CALA896
CLYS898
CHIS901
CARG904
CCYS917
CHIS920
CTHR921
CTHR922
CASP925
GVAL1419
GSER1420

site_idAC4
Number of Residues22
Detailsbinding site for residue 12V D 1200
ChainResidue
DHIS498
DHIS558
DPRO559
DTHR560
DLEU653
DGLY654
DPRO656
DGLN839
DTYR841
DLYS842
DVAL895
DALA896
DLYS898
DHIS901
DARG904
DCYS917
DHIS920
DTHR921
DTHR922
DASP925
HVAL1419
HSER1420

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
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"Q64700","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues4
DetailsGlycosylation: {"description":"O-linked (GlcNAc) serine","evidences":[{"source":"PubMed","id":"26237509","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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