Acetylhexosamine compounds enzymically released from Micrococcus lysodeikticus cell walls: I. Isolation and composition of acetylhexosamine and acetylhexosamine-peptide complexes
[en] Some of the dialyzable products of the digestion of Micrococcus lysodeikticus cell walls by lysozyme and by a similar enzyme secreted by a Streptomyces have been isolated and their compositions determined. The two simplest substances released by both enzymes are (a) a di-saccharide of N-acetylmuramic acid-N-acetylglucosamine and (b) an N-acetylmuramic acid-N-acetylglucosamine complex. Seven peptide-acetyl-amino sugar complexes have been isolated. All seven compounds contain lysine, glutamic acid, glycine, alanine in the same molecular proportions as found in the original cell wall and a di-saccharide moiety of N-acetylmuramic acid and N-acetylglucosamine. One of the peptide-amino sugar complexes contains in addition a polysaccharide moiety [N-acetylmuramic acid-N-acetylglucosamine]10.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Ghuysen, Jean-Marie ; Berkeley University of California - UC Berkeley > Department of Bacteriology
Salton, M. R. J.; Berkeley University of California - UC Berkeley > Department of Bacteriology
Language :
English
Title :
Acetylhexosamine compounds enzymically released from Micrococcus lysodeikticus cell walls: I. Isolation and composition of acetylhexosamine and acetylhexosamine-peptide complexes
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