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ATP synthase archaeal, H subunit he A1/A0 ATP synthase is homologous to the V-type (V1/V0, vacuolar) ATPase, but functions in the ATP synthetic direction as does the F1/F0 ATPase of bacteria. The hydrophilic A1 "stalk" complex (AhaABCDEFG) is the site of ATP generation and is coupled to the membrane-embedded proton translocating A0 complex. It is unclear precisely where AhaH fits into these complexes. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",