| the cyclic structure of microcin j25, a 21-residue peptide antibiotic from escherichia coli. | microcin j25 (mccj25) is the single representative of the immunity group j of the microcin group of peptide antibiotics produced by enterobacteriaceae. it induces bacterial filamentation in susceptible cells in a non-sos-dependent pathway [r. a. salomon and r. farias (1992) j. bacteriol. 174, 7428-7435]. mccj25 was purified to homogeneity from the growth medium of a microcin-overproducing escherichia coli strain by reverse-phase hplc. based on amino acid composition and absolute configuration de ... | 1999 | 10092860 |