FUNCTION : PRODUCES ATP FROM ADP IN THE PRESENCE OF A PROTON GRADIENT ACROSS THE MEMBRANE. THE ALPHA CHAIN IS A REGULATORY SUBUNIT. CATALYTIC ACTIVITY : ATP + H 2O + 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(1) HAS FIVE SUBUNITS: ALPHA(3), BETA(3), GAMMA(1), DELTA(1), EPSILON(1). CF(0) HAS THREE MAIN SUBUNITS: A, B AND C. SUBCELLULAR LOCATION : Mitochondrial inner membrane. PTM : THE N-TERMINUS IS BLOCKED. SIMILARITY : BELONGS TO THE ATPASE ALPHA/BETA CHAINS FAMILY. |
|
27-Feb-03
Last Update 13-Mar-03