Structure du mycoside C2 de Mycobacterium aviumStructure of mycoside C2 of Mycobacterium avium☆

Add time:08/21/2019    Source:sciencedirect.com

RésuméMycoside C2 from Mycobacterium avium is a mixture of two homologous peptidoglycolipids: C2a (Formula III) and C2b (Formula IV). Both have the following partial structure: The C-terminal molecule of D-alanine esterifies the pseudoaldehydic function of 6-deoxy-L-talose in mycoside C2a and that of 3-O-methyl-6-deoxy-L-talose in mycoside C2b. One acetyl group is linked to 3,4-di-O-methylrhamnose and two acetyl groups to 6-deoxy-L-talose and to 3-O-methyl-6-deoxy-L-talose.the lipid moiety is an acid (or mixture of acids) RCOOH of approximate formula C43H86O2 ± 3 CH2, or C46H90O3 ± 3 CH2 bound by an amide linkage to the amino group of D-phenylalanine.

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