Source:http://linkedlifedata.com/resource/umls/id/C2347436
NCI: Human PSMB9 wild-type allele is located in the vicinity of 6p21.3 and is approximately 6 kb in length. This allele, which encodes proteasome subunit beta type-9 protein, plays a role in the regulation of the catabolism of proteins to generate class I major histocompatibility complex antigens.