1. Gene
  2. HLA-DRB3 - major histocompatibility complex, class II, DR beta 3 Gene

HLA-DRB3 - major histocompatibility complex, class II, DR beta 3 Gene

Homo sapiens

Also known as DRB3; HLA-DPB1; HLA-DR1B; HLA-DR3B; HLA-DRB3*

Gene ID: 3125 | Gene type: protein coding

About HLA-DRB3

Cytogenetic location: 6p21.3 Genomic coordinates (GRCh38): 6:30,500,001-36,600,000

Summary

HLA-DRB3 belongs to the HLA class II beta chain paralogues. This class II molecule is a heterodimer consisting of an alpha (DRA) and a beta (DRB) chain, both anchored in the membrane. It plays a central role in the immune system by presenting Peptides derived from extracellular proteins. Class II molecules are expressed in antigen presenting cells. The beta chain is approximately 26-28 kDa and its gene contains 6 exons. Exon one encodes the leader peptide, exons 2 and 3 encode the two extracellular domains, exon 4 encodes the transmembrane domain and exon 5 encodes the cytoplasmic tail. Within the DR molecule the beta chain contains all the polymorphisms specifying the peptide binding specificities. Typing for these polymorphisms is routinely done for bone marrow and kidney transplantation. There are multiple pseudogenes of this gene. [provided by RefSeq, Feb 2020]

HLA-DRB3 Products(1)

mRNA Protein Name
NM_022555.3 NP_072049.2 major histocompatibility complex, class II, DR beta 3 precursor
Gene Ontology
  • Molecular Function
  • Biological Process
  • Cellular Component
Molecular Function GO Annotation Evidence Reference Source
enables peptide antigen binding IDA
IDA: Inferred from direct assay
17583734 GOA
enables protein binding IPI
IPI: Inferred from physical interaction
32814053 GOA
Cellular Component GO Annotation Evidence Reference Source
located in late endosome membrane IDA
IDA: Inferred from direct assay
18305173 GOA
located in lysosomal membrane IDA
IDA: Inferred from direct assay
18305173 GOA
located in plasma membrane IDA
IDA: Inferred from direct assay
19531622 GOA
EXP: Inferred from Experiment IDA: Inferred from direct assay IPI: Inferred from physical interaction IMP: Inferred from mutant phenotype IGI: Inferred from genetic interaction IEP: Inferred from expression pattern

HLA-DRB3 Protein Structure

MHC_II_beta

MHC_II_beta: Class II histocompatibility antigen, beta domain (42 - 115)

C1-set

C1-set: Immunoglobulin C1-set domain (134 - 213)

  • 0
  • 100
  • 200
  • 266 a.a.
Protein Preferred Names Protein Names

major histocompatibility complex, class II, DR beta 3

HLA DRB3

HLA-DRB3 Protein-protein interaction Information

Type
Protein Name Protein ID Interactor Interactor Species Interactor ID Detection Method Reference
Intra
HLA-DRB3 P79483 NEK7 Homo sapiens Q8TDX7
Y2H Pooling
32814053
Intra
HLA-DRB3 P79483 NEK7 Homo sapiens Q8TDX7
Validated Y2H
32814053
Intra
HLA-DRB3 P79483 NEK7 Homo sapiens Q8TDX7
Y2H Array
32814053
Intra
HLA-DRB3 P79483 DLST Homo sapiens P36957
Validated Y2H
32814053
Intra
HLA-DRB3 P79483 DLST Homo sapiens P36957
Y2H Array
32814053
Intra
HLA-DRB3 P79483 DLST Homo sapiens P36957
Y2H Pooling
32814053
Cross: Cross-species interaction Intra: Intraspecies interaction

Related Diseases

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Wolfram Syndrome

Didmoad Syndrome

Didmoad

Diabetes Insipidus And Mellitus With Optic Atrophy And Deafness

Wfs

Diabetes Insipidus, Diabetes Mellitus, Optic Atrophy, And Deafness

Didmoadud

Diabetes Insipidus-Diabetes Mellitus-Optic Atrophy-Deafness Syndrome

Diabetes Insipidus-Diabetes Mellitus-Optic Atrophy-Hearing Loss Syndrome

Diseases Alias
Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma