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Unformatted text preview: Glycosidic bonds Peptide Bonds Note: L-Ala and D-Ala and D-Glu G-(+) will have interbridge, lengthening this 3 Protein struts, cont’d • Penicillin-sensitive bond formation - link between the pentapeptides does not form, β-lactams inhibit reaction • Gram-positive cell PG: there are additional AA in a peptide between the two pentapeptides – ( e.g. a pentaglycine interbridge), cell wall is less tightly packed than in Gram-neg...
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- Fall '11
- Bacteria, -NAG-NAM- NAG-NAM