HLA-DRB1 - major histocompatibility complex, class II, DR beta 1 Gene
Also Known as SS1; DRB1; HLA-DRB; HLA-DR1B
Species: Homo sapiens
About HLA-DRB1
This gene has 6 transcripts (splice variants), 1 gene allele, 105 orthologues, 13 paralogues and is associated with 19 phenotypes.
Summary
HLA-DRB1 belongs to the HLA class II beta chain paralogs. The class II molecule is a heterodimer consisting of an alpha (DRA) and a beta chain (DRB), 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. It is encoded by 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. Hundreds of DRB1 alleles have been described and some alleles have increased frequencies associated with certain diseases or conditions. For example, DRB1*1302 has been related to acute and chronic hepatitis B virus persistence. There are multiple pseudogenes of this gene. [provided by RefSeq, Jul 2020]
HLA-DRB1 Products (4)
| mRNA | Protein | Name |
|---|---|---|
| NM_001243965.1 | NP_001230894.1 | major histocompatibility complex, class II, DR beta 1 precursor precursor |
| NM_001359193.1 | NP_001346122.1 | major histocompatibility complex, class II, DR beta 1 precursor precursor |
| NM_001359194.1 | NP_001346123.1 | major histocompatibility complex, class II, DR beta 1 precursor precursor |
| NM_002124.4 | NP_002115.2 | major histocompatibility complex, class II, DR beta 1 precursor precursor |
| Molecular Function GO Annotation | Evidence | References | Source |
|---|---|---|---|
| enables CD4 receptor binding |
IPI
IPI: Inferred from physical interaction
|
24942581 | GOA |
| enables MHC class II receptor activity |
IDA
IDA: Inferred from direct assay
|
15795121 | GOA |
| enables T cell receptor binding |
IDA
IDA: Inferred from direct assay
|
29884618 | GOA |
| enables peptide antigen binding |
IDA
IDA: Inferred from direct assay
|
1448172 | GOA |
| enables polysaccharide binding |
IDA
IDA: Inferred from direct assay
|
21502329 | GOA |
| enables protein binding |
IPI
IPI: Inferred from physical interaction
|
9354468 | GOA |
| Cellular Component GO Annotation | Evidence | References | Source |
|---|---|---|---|
| part of MHC class II protein complex |
IDA
IDA: Inferred from direct assay
|
1448172 | GOA |
| part of MHC class II protein complex |
IMP
IMP: Inferred from mutant phenotype
|
9354468 | GOA |
| located in cell surface |
IDA
IDA: Inferred from direct assay
|
21502329 | GOA |
| located in external side of plasma membrane |
IDA
IDA: Inferred from direct assay
|
20543955 | GOA |
| located in immunological synapse |
IDA
IDA: Inferred from direct assay
|
15322540 | GOA |
| located in late endosome membrane |
IDA
IDA: Inferred from direct assay
|
9075930 | GOA |
| located in lysosomal membrane |
IDA
IDA: Inferred from direct assay
|
9075930 | GOA |
HLA-DRB1 Protein Structure
MHC_II_beta: Class II histocompatibility antigen, beta domain (43 - 116)
C1-set: Immunoglobulin C1-set domain (133 - 213)
- 0
- 100
- 200
- 266 a.a.
| Protein Preferred Names | Protein Names | |
|---|---|---|
|
major histocompatibility complex, class II, DR beta 1 precursor |
|
Recombinant HLA-DRB1 Proteins
| Cat. No. | Product Name | Accession | Purity |
|---|---|---|---|
| HY-P71505 | HLA-DRB1 Protein, Human (Myc, His-SUMO) | P01911 (G30-K227) | ≥ 90%, as determined by reducing SDS-PAGE. |
HLA-DRB1 Antibodies
| Cat. No. | Product Name | Application | Reactivity |
|---|---|---|---|
| HY-P81742 | HLA-DRB1 Antibody (YA1487) | WB, IHC-P, ICC/IF | Human |
| HY-P83917 | HLA-DRB1 Antibody (YA3614) | WB, IHC-P, FC, ELISA | Human |
| HY-P83917A | HLA-DRB1 Antibody (YA3614)(PBS only) | WB, IHC-P, FC, ELISA | Human |
Related Diseases
| Diseases | Alias | |
|---|---|---|
| Multiple Sclerosis |
|
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| Sarcoidosis 1 |
|
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| Temporal Arteritis |
|
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| Pulmonary Alveolar Proteinosis, Acquired |
|
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| Bullous Pemphigoid |
|
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| Pediatric Multiple Sclerosis |
|
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| Limited Scleroderma |
|
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| Pars Planitis |
|
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| Arthritis |
|
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| Narcolepsy 1 |
|
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| Systemic Onset Juvenile Idiopathic Arthritis |
|
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| Diffuse Cutaneous Systemic Sclerosis |
|
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| Narcolepsy 2 |
|
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| Focal Epithelial Hyperplasia |
|
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| Rheumatoid Arthritis |
|
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| Berylliosis |
|
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| Pemphigus Foliaceus |
|
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| Goodpasture Syndrome |
|
|
| Type 1 Diabetes Mellitus |
|
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| Autoimmune Hepatitis |
|
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| Juvenile Rheumatoid Arthritis |
|
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| Pityriasis Rosea |
|
|
| Neuromyelitis Optica |
|
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| Ulcerative Colitis |
|
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| Follicular Lymphoma |
|
|
| Vogt-Koyanagi-Harada Disease |
|
|
| Pemphigoid Gestationis |
|
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| Panuveitis |
|
|
| Microscopic Polyangiitis |
|
|
| Systemic Lupus Erythematosus |
|
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| Rheumatic Fever |
|
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| Pure Red-Cell Aplasia |
|
|
| Retroperitoneal Fibrosis |
|
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| Colitis |
|
|
| Hepatitis B |
|
|
| Takayasu Arteritis |
|
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| Narcolepsy |
|
|
| Demyelinating Disease |
|
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| Optic Neuritis |
|
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| Echinococcosis |
|
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| Mixed Connective Tissue Disease |
|
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| Chronic Beryllium Disease |
|
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| Eosinophilia-Myalgia Syndrome |
|
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| Autoimmune Disease |
|
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| Histoplasmosis |
|
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| Guillain-Barre Syndrome |
|
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| Polyarteritis Nodosa |
|
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| Rheumatic Heart Disease |
|
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| Paratyphoid Fever |
|
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| Psoriatic Arthritis |
|
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| Rubella |
|
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| Pulmonary Tuberculosis |
|
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| Thyroiditis |
|
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| Graves' Disease |
|
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| Hirata Disease |
|
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| Syphilis |
|
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| Lyme Disease |
|
|
| Focal Dystonia |
|
|
| Pemphigus |
|
|
| Churg-Strauss Syndrome |
|
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| Herpes Zoster |
|
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| Cholangitis |
|
|
| Epidermolysis Bullosa Acquisita |
|
|
| Japanese Encephalitis |
|
|
| Typhoid Fever |
|
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| Polyradiculoneuropathy |
|
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| Chronic Urticaria |
|
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| Pharyngitis |
|
|
| Dermatitis, Atopic, 9 |
|
|
| Dermatitis Herpetiformis |
|
|
| Cryoglobulinemia |
|
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| Alopecia Areata |
|
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| Pulmonary Sarcoidosis |
|
|
| Osteonecrosis Of The Jaw |
|
|
| Visceral Leishmaniasis |
|
|
| Mumps |
|
|
| Refractory Hairy Cell Leukemia |
|
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| Viral Hepatitis |
|
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| Purpura |
|
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| Refractory Hematologic Cancer |
|
|
| Calcinosis |
|
|
| Myositis |
|
|
| Duodenal Ulcer |
|
|
| Connective Tissue Disease |
|
|
| Myasthenia Gravis |
|
|
| Liver Cirrhosis |
|
|
| Pneumoconiosis |
|
|
| Spondylitis |
|
|
| Pemphigus Vulgaris, Familial |
|
|
| Q Fever |
|
|
| Hepatitis A |
|
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| Carpal Tunnel Syndrome |
|
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| Uveitis |
|
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| Hemoglobinuria |
|
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| Thrombocytopenia |
|
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| Silicosis |
|
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| Trachoma |
|
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| Vasculitis |
|
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| Aggressive Periodontitis |
|
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| Cytomegalovirus Retinitis |
|
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| Malaria |
|
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| Aztreonam Allergy |
|
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| Persian Gulf Syndrome |
|
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| Systemic Scleroderma |
|
|
| Wolfram Syndrome |
|
|
| Alpha-1-Antitrypsin Deficiency |
|
|
| Central Nervous System Vasculitis |
|
|
| Alopecia |
|
|
| Uveoparotid Fever |
|
|
| Amelogenesis Imperfecta, Type Ib |
|
|
| Amelogenesis Imperfecta, Type Ie |
|
|
| Sympathetic Ophthalmia |
|
|
| Rabies |
|
|
| Autoimmune Disease Of Urogenital Tract |
|
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| Podoconiosis |
|
|
| Aspergillosis |
|
|
| Mononeuritis Multiplex |
|
|
| Dental Caries |
|
|
| Thrombocytopenic Purpura, Autoimmune |
|
|
| Mononeuritis Of Upper Limb And Mononeuritis Multiplex |
|
|
| Cefuroxime Allergy |
|
|
| Palindromic Rheumatism |
|
|
| Hypersensitivity Reaction Type Iv Disease |
|
|
| Juvenile Ankylosing Spondylitis |
|
|
| Cefaclor Allergy |
|
|
| Primary Progressive Multiple Sclerosis |
|
|
| Autoimmune Disease Of Endocrine System |
|
|
| Felty Syndrome |
|
|
| Rheumatoid Arthritis Interstitial Lung Disease |
|
|
| Melanoma |
|
|
| Rapidly Progressive Glomerulonephritis |
|
|
| Adult Dermatomyositis |
|
|
| Gastroesophageal Reflux |
|
|
| Autoimmune Disease Of Musculoskeletal System |
|
|
| Asthma, Nasal Polyps, And Aspirin Intolerance |
|
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| Autoimmune Disease Of Central Nervous System |
|
|
| Hypothyroidism |
|
|
| Aortitis |
|
|
| Severe Cutaneous Adverse Reaction |
|
|
| Scleral Disease |
|
|
| Anterior Uveitis |
|
|
| Transverse Myelitis |
|
|
| Diabetes Mellitus |
|
|
| Common Variable Immunodeficiency |
|
|
| Psoriasis |
|
|
| Childhood Type Dermatomyositis |
|
|
| Dilated Cardiomyopathy |
|
|
| Primary Biliary Cholangitis |
|
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| Iridocyclitis |
|
|
| Adrenal Cortical Hypofunction |
|
|
| Relapsing Polychondritis |
|
|
| Ceftriaxone Allergy |
|
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| Trochlear Nerve Disease |
|
|
| Chondromalacia |
|
|
| Asthma |
|
|
| Bone Inflammation Disease |
|
|
| Autoimmune Disease Of Peripheral Nervous System |
|
|
| Autoimmune Disease Of Gastrointestinal Tract |
|
|
| Leprosy 3 |
|
|
| Spondyloarthropathy |
|
|
| Inflammatory Bowel Disease |
|
|
| Autoimmune Disease Of Cardiovascular System |
|
|
| Heart Disease |
|
|
| Mycobacterium Tuberculosis 1 |
|
|
| Celiac Disease 1 |
|
|
| Type 1 Diabetes Mellitus 15 |
|
|
| Autosomal Dominant Intellectual Developmental Disorder 40 |
|
|
| Conjunctival Deposit |
|
|
| Schizophrenia |
|
|
| Pfeiffer Syndrome |
|
|
| Larynx Squamous Papilloma |
|
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| Dystonia |
|
|
| Cholangitis, Primary Sclerosing |
|
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| Behcet Syndrome |
|
|
| Bronchiectasis 1 |
|
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| Optic Nerve Disease |
|
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| Skin Disease |
|
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| Alzheimer Disease, Familial, 1 |
|
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| Nervous System Disease |
|
|