Antibiotic a-4696 factors b.sub.1, b.sub.2, b.sub.3, c in1a...

Details Antibiotic a-4696 factors b.sub.1, b.sub.2, b.sub.3, c in1a... Antibiotic a-4696 factors b.sub.1, b.sub.2, b.sub.3, c in1a...

C - Chemistry, Metallurgy

07

G

530/9, 195/95, 1

C07G 11/00 (2006.01) C07K 9/00 (2006.01) C12N 1/20 (2006.01) C12P 1/06 (2006.01) A61K 38/00 (2006.01)

Patent

CA 1171008

Abstract Antibiotic A-4696 factors B1, B2, B3, C1a, C3, and El are isolated from antibiotic A-4696, the latter being produced by Actinoplanes missouriensis strains ATCC 31680, ATCC 31682, or ATCC 31683 under submerged aerobic conditions in a culture medium and isolated from the fermentation broth by absorption on an ion exchange resin and eluted therefrom at pH 10.5 with sodium hydroxide. The novel factors are separated by thin layer chromatography and high pressure liquid chromatography and have antimicrobial and growth promotant activity.

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