function:Proton-conducting pore forming subunit of the membrane integral V0 complex of vacuolar ATPase. V-ATPase is responsible for acidifying a variety of intracellular compartments in eukaryotic cells.,similarity:Belongs to the V-ATPase proteolipid subunit family.,tissue specificity:Ubiquitous.,
Cytoplasmic vesicle, clathrin-coated vesicle membrane ; Multi-pass membrane protein .
Ubiquitous.