B2M NP_004039.1:p.M1R

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A change in the amino acid residue at position 1 in the beta-2-microglobulin protein where methionine has been replaced by arginine.

**Synonyms:** - B2M M1R - B2M Met1Arg - B2M NP_004039.1:p.Met1Arg - B2M p.M1R - B2M p.Met1Arg - Beta-2 Microglobulin M1R - Beta-2 Microglobulin Met1Arg - Beta-2-Microglobin M1R - Beta-2-Microglobin Met1Arg - Beta-2-Microglobulin M1R - NP_004039.1:p.M1R - NP_004039.1:p.Met1Arg