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A simple, rapid method for purification of epsilon-subunit, coupling factor 6, subunit d, and subunit e from rat liver H(+)-ATP synthase and determination of the complete amino acid sequence of epsilon-subunit.

Authors: Higuti, T  Yoshihara, Y  Kuroiwa, K  Kawamura, Y  Toda, H  Sakiyama, F 
Citation: Higuti T, etal., J Biol Chem. 1992 Nov 5;267(31):22658-61.
Pubmed: (View Article at PubMed) PMID:1429613

The rat liver mitochondrial epsilon-subunit, coupling factor 6, subunit d, and subunit e of H(+)-ATP synthase, which are all extra subunits with no counterparts in Escherichia coli, were purified by reverse-phase high performance liquid chromatography. The complete amino acid sequence of the rat epsilon-subunit was determined by automated Edman degradation of the whole protein and derived peptides. The protein contains 50 amino acids and has a molecular mass of 5635 kDa. It is a basic hydrophilic protein with an isoelectric point of 10.5. The sequence of the rat epsilon-subunit is highly homologous with that of the epsilon-subunit of bovine heart and slightly similar to those of the epsilon-subunit of the yeast and sweet potato mitochondria. However, it has no homology with any subunit of bacterial or chloroplast H(+)-ATP synthase.

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CRRD Object Information
CRRD ID: 13800923
Created: 2018-10-23
Species: All species
Last Modified: 2018-10-23
Status: ACTIVE



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