| murein | <protein> Cross linked peptidoglycan complex from the inner cell wall of all Eubacteria. Constitutes 50% of the cell wall in gram-negative and 10% in gram-positive organisms and comprises _(1-4) linked N acetyl glucosamine and N acetyl muramic acid extensively cross linked by peptides. (18 Nov 1997) |
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| murein transglycosylase | <enzyme> Converts glycosidic bond between n-acetylmuramic acid and n-acetylglucosamine into an internal 1-6 anhydro n-acetylmuramyl (hemiacetal) bond in an intramolecular transglycosylation reaction Registry number: EC 2.4.99.- Synonym: murein-murein-6-muramyltransferase (internal cyclizing), soluble lytic transglycosylase, mlt transglycosylase, membrane-bound lytic transglycosylase, lambda r transglycosylase, mltb gene product, slt35 protein, 35-kD soluble lytic transglycosylase (26 Jun 1999) |
| mureins | Peptidoglycans composing the sacculus or cell casing of bacteria, consisting of linear polysaccharides of alternating N-acetyl-d-glucosamine and N-acetylmuramic acid units, to the lactate side chains of which are linked oligopeptides; independent chains are cross-linked in three dimensions via the peptides or the 6-OH groups (the latter may be linked via phosphate to a teichoic acid). Origin: L. Murus, wall (05 Mar 2000) |
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