PSMA4, Official Symbol PSMA4provided by HGNC Official Full Name proteasome 20S subunit alpha 4provided by HGNC Primary source HGNC:HGNC:9533 See related Ensembl:ENSG00000041357 MIM:176846; AllianceGenome:HGNC:9533 Gene type protein coding RefSeq status REVIEWED Organism Homo sapiens Lineage Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo Also known as HC9; PSC9; HsT17706 Summary This gene encodes a core alpha subunit of the 20S proteosome, which is a highly ordered ring-shaped structure composed of four rings of 28 non-identical subunits. Proteasomes cleave peptides in an ATP- and ubiquitin-dependent manner. [provided by RefSeq, Aug 2016] Expression Ubiquitous expression in appendix (RPKM 63.8), lymph node (RPKM 63.8) and 25 other tissues See more Orthologs mouse all