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Ascamycin

目录号 : GC70506

Ascamycin是链霉菌(Streptomyces sp.)生产的5'- o -磺酰胺核糖核苷类抗生素。

Ascamycin Chemical Structure

Cas No.:91432-48-3

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1 mg
¥3,596.00
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Sample solution is provided at 25 µL, 10mM.

Description

Ascamycin is a 5'-O-sulfonamide ribonucleoside antibiotic produced by Streptomyces sp. JCM9888. Ascamycin has a selective antibacterial activity against Xanthomonas species with MIC values of 0.4 μg/mL, 12.5 μg/mL and 12.5 μg/mL for Xanthomonas citri, Xanthomonas oryzae and Mycobacterium phlei, respectively.

The Ascamycin has C2-chloroadenine as the base on C-1' which lacks the chlorine[1]. Ascamycin has a selective antibacterial activity against Xanthomonas species. When Ascamycin is dealanylated, Dealanylascamycin shows a broad antibacterial activity against various Gram-negative and Gram-positive bacteria. Xanthomonas citri is susceptible to Ascamycin by virtue of the Ascamycin-dealanylating enzyme on the cell surface[2].

References:
[1]. Isono K, et al. Ascamycin and dealanylascamycin, nucleoside antibiotics from Streptomyces sp. J Antibiot (Tokyo). 1984 Jun;37(6):670-2.
[2]. Osada H, rt al. Purification and characterization of ascamycin-hydrolysing aminopeptidase from Xanthomonas citri. Biochem J. 1986 Jan 15;233(2):459-63.
[3]. Zhao C, et al. Characterization of biosynthetic genes of ascamycin/dealanylascamycin featuring a 5'-O-sulfonamide moiety in Streptomyces sp. JCM9888. PLoS One. 2014 Dec 5;9(12):e114722.

化学性质

Cas No. 91432-48-3 SDF
分子式 C13H18ClN7O7S 分子量 451.84
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1 mM 2.2132 mL 11.0659 mL 22.1317 mL
5 mM 0.4426 mL 2.2132 mL 4.4263 mL
10 mM 0.2213 mL 1.1066 mL 2.2132 mL
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