vacuolar protein sorting-associated protein 4A; protein SKD2; hVPS4; VPS4-1 (VPS4A, VPS4)
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Function
- intracellular protein transport via prevacuolar endosome
- release of components of the bilayered coat from the endosomal membrane
- association with ESCRT3 complex mediates ATP-dependent disassembly of the ESCRT3 complex
- interacts with ESCRT3 complex components CHMP1A, CHMP1B & CHMP2A
- forms a heteromeric complex with VPS4B
Compartment
Expression
ubiquitously expressed
Pathology
- HIV-1 virus takes advantage of VPS4B for budding & exocytic cargos of viral proteins