PSMB8 (LMP7, PSMB5i, RING10, Y2, Proteasome Subunit beta Type-8, Low Molecular Mass Protein 7, Macropain Subunit C13, Multicatalytic Endopeptidase Complex Subunit C13, Proteasome Component C13, Proteasome Subunit beta-5i, Really Interesting New Gene 10 Protein, MGC1491) (APC)