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PSMF1

The 26S proteasome is a multicatalytic proteinase complex with a highly ordered structure composed of 2 complexes, a 20S core and a 19S regulator. The 20S core is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. The 19S regulator is composed of a base, which contains 6 ATPase subunits and 2 non-ATPase subunits, and a lid, which contains up to 10 non-ATPase subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. This gene encodes a protein that inhibits the activation of the proteasome by the 11S and 19S regulators. Alternative transcript variants have been identified for this gene.
Predicted location

Intracellular

Single cell type specificity

Group enriched (Late spermatids, Early spermatids)

Immune cell specificity

Low immune cell specificity

Cell line specificity

Low cell line specificity

Interaction

Monomer and homodimer. Interacts with FBXO7. Interacts with the 20S proteasome.

More Types Infomation

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For Research Use Only. Not For Clinical Use.

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