Gene Information
Gene NameHLA-DRB3
OrganismHomo sapiens (Human)
Gene Length266
Protein NamesHLA class II histocompatibility antigen, DR beta 3 chain (MHC class II antigen DRB3)
Target Namehla-dr
Target TypeNA
Gene Age3 ( ENSG00000196101 )
3 ( ENSG00000230463 )
3 ( ENSG00000231679 )
Evolutionary StageVertebrata
AlphaFoldDBP79483
Gene CardHLA-DRB3
Uniprot IDP79483
PfamPF07654; PF00969
In ASDno
Allosteric Predictionyes (0.256301247)
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityExpressed in professional APCs: monocyte/macrophages, dendritic cells and B cells (at protein level). {ECO:0000269|PubMed:19531622, ECO:0000269|PubMed:19830726}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2Q6W  (X-ray  2.25A  3C5J  (X-ray  1.80A  4H1L  (X-ray  3.30A 
DBSNP rs1071747  rs1071748  rs1136752  rs200581589  rs147440497  rs202185589  rs142793258  rs1407020168  rs138849995  rs707956  rs200042906  rs200042906  rs1059580  rs774894415  rs79606458  rs144532965  rs144532965  rs41541218  rs696318  rs696318  rs17878857  rs1059598  rs115817940  rs1136778  rs41556512  rs75709987  rs139485758  rs142204283  rs147669022 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:18305173, ECO:0000269|PubMed:19531622, ECO:0000269|PubMed:19830726};
Single-pass type I membrane protein {ECO:0000255}. Endoplasmic reticulum membrane {ECO:0000269|PubMed:18305173};
Single-pass type I membrane protein {ECO:0000255}. Lysosome membrane {ECO:0000269|PubMed:18305173};
Single-pass type I membrane protein {ECO:0000255}. Late endosome membrane {ECO:0000269|PubMed:18305173};
Single-pass type I membrane protein {ECO:0000255}. Autolysosome membrane {ECO:0000250|UniProtKB:P01911};
Single-pass type I membrane protein {ECO:0000255}. Note=The MHC class II complex transits through a number of intracellular compartments in the endocytic pathway until it reaches the cell membrane for antigen presentation (PubMed:18305173). Component of immunological synapses at the interface between T cell and APC. {ECO:0000250|UniProtKB:P01911}.
Mouse PG classificationNA
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