these results suggest that in blood , plasma and serum of mouse and man , an n-acetylmuramoyl-l-alanine amidase ( mucopeptide amidohydrolase , ec 3.5.1.28 ) exists which splits the amide bond between the lactyl carboxyl group of the muramyl residue and the amino group of the peptide moiety in the peptidoglycan molecule .
C0032105
plasma
C0229671
serum