YLR447C VMA6 SGDID:S000004439, Chr XII from 1027893-1026856, Genome Release 64-1-1, reverse complement, Verified ORF, "Subunit d of the five-subunit V0 integral membrane domain of vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found in the endomembrane system; stabilizes VO subunits; required for V1 domain assembly on the vacuolar membrane"