Antibiotic M43A, pharmaceutical composition and method of use

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

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2601125R, 514 25, 514 53, 536 168, 536 181, A61K 3702, A61K 3171, C07H 1520

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active

045489254

ABSTRACT:
Antibiotic M43A, a new glycopeptide antibiotic of the vancomycin class, is produced by Nocardia orientalis strains NRRL 2450 and NRRL 2452. M43A has excellent antibacterial activity comparable to that of vancomycin.

REFERENCES:
patent: 3067099 (1962-12-01), McCormick et al.
Donald J. McGraw, "The Antibiotic Discovery Era, (1940-1960); Vancomycin as an Example of the Era," Thesis at Oregon State University, 1975, pp. 78-142.
F. J. Marshall, "Structure Studies on Vancomycin," J. Med. Chem. 8, 18-22, (1965).
G. M. Sheldrick et al., "Structure of Vancomycin and its Complex with Acetyl-D-alanyl-D-alanine," Nature 271, 223-225, (1978).
C. M. Harris, et al., "Structure of the Glucopeptide Antibiotic Vancomycin, _Evidence for an Asparagine Residue in the Peptide," J. Am. Chem. Soc., 104, pp. 4293-4295.
"Vancomycin and Factor A," Report by Eli Lilly and Company sent to the U.S. Food and Drug Administration on Mar. 5, 1963.
G. K. Best et al., "Chromatographic Separation of the Vancomycin Complex," Antimicrob. Agents & Chemotherapy--1968, 115-119.
R. R. Pfeiffer, "Structural Features of Vancomycin," in Reviews of Infectious _Diseases, vol. 3 Supplement, (1981).

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