Chemical Studies on the Structure of Mucopeptide Isolated from Streptococcus bovis
AUTOR(ES)
Kane, Judith
RESUMO
Mucopeptides isolated from Streptococcus bovis cell walls were found to be composed of alanine, glutamic acid, lysine, and threonine in a mole ratio of 3:1:1:1. A dipeptide, Nε-lysylthreonine, was isolated from S. bovis mucopeptide by ion-exchange chromatography. This finding suggests that threonine is associated with the bridge which cross-links adjacent tetrapeptides by connecting the ε-amino group of lysine of one tetrapeptide to the carboxyl group of d-alanine of another to form the mucopeptide matrix.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=249984Documentos Relacionados
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