Chemistry: natural resins or derivatives; peptides or proteins; – Peptides of 3 to 100 amino acid residues – Cyclic peptides
Patent
1985-06-11
1986-08-05
Phillips, Delbert R.
Chemistry: natural resins or derivatives; peptides or proteins;
Peptides of 3 to 100 amino acid residues
Cyclic peptides
530329, C07K 750
Patent
active
046042393
ABSTRACT:
Antibiotic A41030, a complex of 7 individual factors, is produced by submerged, aerobic fermentation of new Streptomyces virginiae NRRL 12525, and Streptomyces virginiae NRRL 15156. The antibiotic factors are separated and possess antibacterial activity against Staphylococcus and Streptococcus species which are penicillin resistant. In addition, the antibiotic factors have shown inhibition of Streptococcus pneumonia Park I. The complex and the individual factors enhance feed efficiency in ruminant animals, and are growth promoters in chickens and swine, and are especially valuable in milk production in dairy cattle.
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Kastner Ralph E.
Michel Karl H.
Eli Lilly and Company
Harrison Nancy J.
Phillips Delbert R.
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