Q9NRR5 [Direct mapping]
Ubiquilin-4

GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0005776 [autophagosome]
GO:0005789 [endoplasmic reticulum membrane]
GO:0005829 [cytosol]
GO:0006914 [autophagy]
GO:0031410 [cytoplasmic vesicle]
GO:0031593 [polyubiquitin binding]
GO:0031595 [nuclear proteasome complex]
GO:0031597 [cytosolic proteasome complex]
GO:0032434 [regulation of proteasomal ubiquitin-dependent protein catabolic process]
GO:0042802 [identical protein binding]
GO:0048471 [perinuclear region of cytoplasm]
GO:1901097 [negative regulation of autophagosome maturation]