Open AccessColicin B consists of a single polypeptide chain
Author(s) -
Braun Volkmar,
Maas Edith
Publication year - 1984
Publication title -
fems microbiology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.899
H-Index - 151
eISSN - 1574-6968
pISSN - 0378-1097
DOI - 10.1111/j.1574-6968.1984.tb00192.x
Subject(s) - colicin , escherichia coli , polypeptide chain , chain (unit) , chemistry , biology , bacteriocin , biochemistry , microbiology and biotechnology , genetics , bacteria , physics , gene , amino acid , astronomy
Colicin B was isolated in pure form from Escherichia coli Cl139 and was shown to consist of a single polypeptide chain with an apparent M r of 70000. Therefore, it does not differ from other colicins where the toxic activity resides in one polypeptide.