Amino acid sequence of immunity protein (B subunit) of colicin E3

Journal of Biochemistry
K MochitateK Imahori

Abstract

The amino acid sequence of immunity protein (protein B) of colicin E3 (84 amino acid residues) was determined. B was first split into two fragments, CB 1 and CB 2, by CNBr treatment. The structure of CB 1 (the N-terminal part of B) was determined by Edman degradation of whole protein B. The structure of CB 2 (the C-terminal part of B) was established by sequencing its four trypsin peptides. The sequences and the alignment of the tryptic peptides were completed by analyses of thermolysin peptides of CB 2. These results established the complete amino acid sequence of B.

Citations

Feb 1, 1984·Journal of Bacteriology·K S Jakes, N D Zinder
Mar 1, 1983·Journal of Bacteriology·R WatsonL P Visentin
Mar 21, 1983·Biochimica Et Biophysica Acta·W A CramerY Uratani
Aug 15, 1984·Journal of Molecular Biology·M ShohamF M Richards

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