Protein
3-oxoacyl-[acyl-carrier-protein] synthase 3 B, chloroplastic
Function
Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. KAS III catalyzes the first condensation reaction which initiates fatty acid synthesis and may therefore play a role in governing the total rate of fatty acid production. Possesses both acetoacetyl-ACP synthase and acetyl transacylase activities (By similarity).
Similarity
Belongs to the thiolase-like superfamily. FabH family.
Sequence
MANAYGFVGHSVPTMKRAAQFQQMGSGFCSADSISKRVFCCSVVQGADKPASGDSRTEYRTPRLVSRGCKLVGSGSAMPALQVSNDDLSKIVDTNDEWISVRTGIRNRRVLTGKESLTNLATVAARKALEMAQVDANDVDMVLMCTSTPEDLFGSAPQIQKALGCKKNPLAYDITAACSGFVLGLVSAACHIRGGGFNNILVIGADSLSRYVDWTDRGTCILFGDAAGAVLVQSCDAEEDGLFAFDLHSDGDGQRHLKAAITENGIDHAVGSNGSVSDFPPRSSSYSCIQMNGKEVFRFACRCVPQSIESALGKAGLNGSNIDWLLLHQANQRIIDAVATRLEVPQERVISNLANYGNTSAASIPLALDEAVRGGKVKAGHLIATAGFGAGLTWGSAIVRWG