Gene: B2m (beta-2 microglobulin) Rattus norvegicus
Symbol: B2m
Name: beta-2 microglobulin
Description: ENCODES a protein that exhibits identical protein binding (ortholog); INVOLVED IN response to cadmium ion; response to drug; antigen processing and presentation of endogenous peptide antigen via MHC class I (ortholog); PARTICIPATES IN interleukin-12 signaling pathway; antigen processing and presentation pathway; ASSOCIATED WITH Acute Kidney Injury; Liver Cirrhosis, Experimental; Pyelonephritis; FOUND IN extracellular space; cytosol (ortholog); external side of plasma membrane (ortholog); INTERACTS WITH 1,3-dinitrobenzene; 17alpha-ethynylestradiol; 2,3,7,8-tetrachlorodibenzodioxine
Type: protein-coding
RefSeq Status: VALIDATED
Also known as: Beta-2-microglobulin; beta-2-microglobulin C-terminal fragment (55 AA)
Homo sapiens (human) : B2M (beta-2-microglobulin)  HGNC  Alliance
Mus musculus (house mouse) : B2m (beta-2 microglobulin)  MGI  Alliance
Chinchilla lanigera (long-tailed chinchilla) : B2m (beta-2-microglobulin)
Pan paniscus (bonobo/pygmy chimpanzee) : B2M (beta-2-microglobulin)
Canis lupus familiaris (dog) : B2M (beta-2-microglobulin)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : B2m (beta-2-microglobulin)
more info ...
Latest Assembly: Rnor_6.0 - RGSC Genome Assembly v6.0
Rat AssemblyChrPosition (strand)SourceGenome Browsers
Rnor_6.03114,087,287 - 114,093,311 (+)NCBIRnor6.0Rnor_6.0rn6Rnor6.0
Rnor_5.03120,627,499 - 120,633,523 (+)NCBIRnor5.0Rnor_5.0rn5Rnor5.0
RGSC_v3.43108,927,919 - 108,932,718 (+)NCBIRGSC3.4rn4RGSC3.4
RGSC_v3.13108,833,491 - 108,838,291 (+)NCBI
Celera3107,993,988 - 108,000,012 (+)NCBICelera
Cytogenetic Map3q35NCBI
RH 3.4 Map3954.3RGD
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Molecular Pathway Annotations
References - curated
References - uncurated
RGD Disease Portals


Comparative Map Data
Position Markers
QTLs in Region (Rnor_6.0)
miRNA Target Status


Nucleotide Sequences
Protein Sequences

Strain Variation

Strain Sequence Variants

Additional Information

External Database Links
Nomenclature History
RGD Curation Notes
More on B2m
Alliance Gene
Ensembl Gene
JBrowse: rn5 rn6
NCBI Genome Data Viewer

RGD Object Information
RGD ID: 2189
Created: 2000-05-25
Species: Rattus norvegicus
Last Modified: 2018-04-10
Status: ACTIVE