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. 1969 Jul;99(1):175-9.
doi: 10.1128/jb.99.1.175-179.1969.

Chemical studies on the structure of mucopeptide isolated from Streptococcus bovis

J Kane, H Lackland, W W Karakawa, R M Krause

Chemical studies on the structure of mucopeptide isolated from Streptococcus bovis

J Kane et al. J Bacteriol. 1969 Jul.

Abstract

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, N(epsilon)-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 epsilon-amino group of lysine of one tetrapeptide to the carboxyl group of d-alanine of another to form the mucopeptide matrix.

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References

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