| UniProt functional annotation for P01887 | |||
| UniProt code: P01887. |
| Organism: | Mus musculus (Mouse). | |
| Taxonomy: | Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae; Murinae; Mus; Mus. | |
| Function: | Component of the class I major histocompatibility complex (MHC). Involved in the presentation of peptide antigens to the immune system. | |
| Subunit: | Heterodimer of an alpha chain and a beta chain. Beta-2- microglobulin is the beta-chain of major histocompatibility complex class I molecules. Forms a heterotrimer with MR1 and a metabolite antigen. {ECO:0000250|UniProtKB:P61769}. | |
| Subcellular location: | Secreted. | |
| Polymorphism: | The following alleles of B2M are known: A, B, W2, W3, W4 and W5 (C). The sequence shown is that of allele B. {ECO:0000305}. | |
| Similarity: | Belongs to the beta-2-microglobulin family. {ECO:0000305}. | |
Annotations taken from UniProtKB at the EBI.