FUNCTION: THIS IS ONE OF THE CHAINS OF THE NONENZYMATIC COMPONENT (CF(0) SUBUNIT) OF THE MITOCHONDRIAL ATPASE COMPLEX. IT HAS NO APPARENT BACTERIAL HOMOLOG AND ITS EXACT FUNCTION IS UNKNOWN. * CATALYTIC ACTIVITY: ATP + H2O + H+(In) = ADP + phosphate + H+(Out). * SUBUNIT: F-TYPE ATPASES HAVE 2 COMPONENTS, CF(1) - THE CATALYTIC CORE - AND CF(0) - THE MEMBRANE PROTON CHANNEL. CF(0) SEEMS TO HAVE NINE SUBUNITS: A, B, C, D, E, F, G, F6 AND 8 (OR A6L). * SIMILARITY: BELONGS TO THE ATPASE D CHAIN FAMILY. |
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04-JAN-03
Last Update 13-Mar-03