FEATURES

FAMILY

DESCRIPTION

Also known as SR54C_ARATH, FFC, CPSRP54. Involved in cotranslational and post-translational sorting of thylakoid proteins. Binds GTP specifically. Activates the GTPase activity of CPFTSY when bound together. Required for light-harvesting chlorophyll a/b-binding protein (LHCP) integration into thylakoids. Component of the cpSRP complex, composed of a FFC/cpSRP54 monomer and a CAO/cpSRP43 dimer. Interacts (via C-terminus) with CAO/cpSRP43 and with CPFTSY. Interacts with the third transmembrane domain of LHCP. Interacts with the PSBA/D1 nascent chain, but only when it is attached to the 70S ribosome and if it is shorter than 189 amino acid residues.

EXTERNAL LINKS

uniprot
enzyme classification

FFC

Signal recognition particle 54 kDa protein, chloroplastic

FFC

Molecular Synopsis