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V4140

Virginiamycin S1

≥99% (HPLC)

别名:

dihydro virginiamycin S1, Antibiotic 899, Staphylomycin S

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关于此项目

经验公式（希尔记法）:
C43H49N7O10
化学文摘社编号:
23152-29-6
分子量:
823.89
PubChem Substance ID:
329829048
UNSPSC Code:
51283805
NACRES:
NA.85
EC Number:
245-462-6
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biological source

Streptomyces virginiae

Quality Segment

100

assay

≥99% (HPLC)

form

solid

storage condition

(Keep container tightly closed in a dry and well-ventilated place.)

color

white

antibiotic activity spectrum

Gram-positive bacteria

mode of action

protein synthesis | interferes

storage temp.

−20°C

SMILES string

CC[C@H]1NC(=O)[C@@H](NC(=O)c2ncccc2O)[C@@H](C)OC(=O)[C@@H](NC(=O)[C@@H]3CC(=O)CCN3C(=O)[C@H](Cc4ccccc4)N(C)C(=O)[C@@H]5CCCN5C1=O)c6ccccc6

InChI

1S/C43H49N7O10/c1-4-29-40(56)49-21-12-17-30(49)41(57)48(3)32(23-26-13-7-5-8-14-26)42(58)50-22-19-28(51)24-31(50)37(53)47-35(27-15-9-6-10-16-27)43(59)60-25(2)34(38(54)45-29)46-39(55)36-33(52)18-11-20-44-36/h5-11,13-16,18,20,25,29-32,34-35,52H,4,12,17,19,21-24H2,1-3H3,(H,45,54)(H,46,55)(H,47,53)/t25-,29-,30+,31+,32+,34+,35+/m1/s1

InChI key

FEPMHVLSLDOMQC-IYPFLVAKSA-N

General description

Chemical structure: macrolide

Application

The antibiotic virginiamycin is produced by Streptomyces virginiae and is a member of the virginiamycin family. Each member is produced as a mixture of two structurally different compounds that exhibit synergistic antibacterial activity. There are two groups: virginiamycin M1 (VM1) and virginiamycin S (VS). VS is a cyclic hexadepsipeptide. VS and VM1 are both used to inhibit protein synthesis since they are bacteriostatic. When used in combination they are more effective. Virginiamycin is used as a performance promoter in animal husbandry. It is chemically modified to make therapeutic drugs such as quinupristin and dalfopristin.

Biochem/physiol Actions

Virginiamycin S inhibits bacterial protein synthesis at the level of aminoacyl-tRNA binding and peptide bond formation. It inactivates the 50S ribosome. VS is a cyclic hexadepsipeptide containing a nonproteinogenic amino acid, Lphenylglycine (L-pheGly), in its core structure. The visG gene is required for VS biosynthesis. Nonribosomal peptide synthetase (NRPS) may be involved in VS biosynthesis. Virginiamycin S is active against Gram-positive bacteria.
Cyclic polypeptide antibiotic from Streptomyces sp. Acts as a synergist binding to the conformational change in the peptidyl transferase center fo the 50S ribosome.

Preparation Note

Soluble in ethanol, methanol, DMF or DMSO. Limited water solubility.

Other Notes

Keep container tightly closed in a dry and well-ventilated place.

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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