Glycine Amide a Constituent of the Murein of Arthrobacter atrocyaneus

Abstract
The amino acid sequence of the murein of A. atrocyaneus was determined. The peptide subunits L-Ala-γ-D-Glu-L-Lys-D-Ala are crosslinked by the interpeptide bridge L-Ala-L-Ala-L-Ser. The α-carboxyl group of D-glutamic acid is substituted by glycine amide which was never found in any other murein so far.

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