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Merck
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74675

Sigma-Aldrich

新生霉素 钠盐

≥93% (HPLC)

同義詞:

Albamycin, Cathomycin, Novobiocin, Novobiocin, Monosodium Salt

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About This Item

經驗公式(希爾表示法):
C31H35N2NaO11
CAS號碼:
分子量::
634.61
Beilstein:
3892910
EC號碼:
分類程式碼代碼:
51101500
NACRES:
NA.85

化驗

≥93% (HPLC)

形狀

powder

光學活性

[α]20/D −48±3°, c = 1% in ethanol

顏色

white to faint beige

溶解度

H2O: soluble

抗生素活性譜

Gram-positive bacteria

作用方式

DNA synthesis | interferes
enzyme | inhibits

儲存溫度

2-8°C

SMILES 字串

[Na+].CO[C@@H]1[C@@H](OC(N)=O)[C@@H](O)[C@H](Oc2ccc3C([O-])=C(NC(=O)c4ccc(O)c(C\C=C(\C)C)c4)C(=O)Oc3c2C)OC1(C)C

InChI

1S/C31H35N2O11.Na/c1-14(2)7-8-16-13-17(9-11-19(16)34)27(37)33-21-22(35)18-10-12-20(15(3)24(18)42-28(21)38)41-29-23(36)25(43-30(32)39)26(40-6)31(4,5)44-29;/h7,9-13,23,25-26,29,34,36H,8H2,1-6H3,(H2,32,39)(H,33,37);/q-1;+1

InChI 密鑰

AXOUUAINTJNFRS-UHFFFAOYSA-N

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一般說明

Chemical structure: coumarin-glycoside

應用

Novobiocin is used to study heat shock protein inhibition and to produce positively supercoiled plasmid DNA. It is an inhibitor of bacterial DNA gyrase and eukaryotic DNA topoisomerase. It also is an inhibitor of retrovirus RNA-dependent DNA-polymerase.
For the production of positively supercoiled plasmid DNA. Inhibitor of bacterial DNA gyrase and eukaryotic DNA topoisomerase. Inhibitor of retrovirus RNA-dependent DNA-polymerase.

生化/生理作用

Novobiocin inhibits DNA synthesis by inhibiting bacterial DNA gyrase targeting the GyrB subunit of the enzyme involved in energy transduction. Novobiocin acts as a competitive inhibitors of the ATPase reaction catalysed by GyrB . It is also a Hsp90 inhibitor . Antimicrobial spectrum: Gram-positive bacterial.
Mode of Action: Inhibits DNA synthesis by inhibiting the enzyme Topoisomerase II.
Antimicrobial spectrum: Gram-positive bacterial.

包裝

1g, 5g

其他說明

Keep container tightly closed in a dry and well-ventilated place. Light sensitive. Store under inert gas. Keep in a dry place.

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

危險分類

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Sens. 1

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


分析證明 (COA)

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N R Cozzarelli
Science (New York, N.Y.), 207(4434), 953-960 (1980-02-29)
Negative supercoiling of bacterial DNA by DNA gyrase influences all metabolic processes involving DNA and is essential for replication. Gyrase supercoils DNA by a mechanism called sign inversion, whereby a positive supercoil is directly inverted to a negative one by
Y Sumiyoshi et al.
The Journal of general virology, 64 (Pt 10), 2329-2333 (1983-10-01)
Inhibitors of bacterial DNA gyrase and eukaryotic DNA topoisomerase (novobiocin and nalidixic acid) were investigated with respect to their effect on the activity of RNA-dependent DNA polymerases from murine and avian retroviruses. Purified RNA-dependent DNA polymerase from AKR virus was
D Lockshon et al.
Nucleic acids research, 11(10), 2999-3017 (1983-05-25)
A procedure has been developed whereby the relative amounts of the topoisomers of E. coli plasmid can be determined for cells grown under a variety of conditions. Several applications of the procedure are presented. Addition of either novobiocin or oxolinic
A Maxwell
Molecular microbiology, 9(4), 681-686 (1993-08-01)
The coumarin group of antibiotics have as their target the bacterial enzyme DNA gyrase. The drugs bind to the B subunit of gyrase and inhibit DNA supercoiling by blocking the ATPase activity. Recent data show that the binding site for
Patricia L Taylor et al.
ACS chemical biology, 7(9), 1547-1555 (2012-06-16)
Multi-drug-resistant infections caused by Gram-negative pathogens are rapidly increasing, highlighting the need for new chemotherapies. Unlike Gram-positive bacteria, where many different chemical classes of antibiotics show efficacy, Gram-negatives are intrinsically insensitive to many antimicrobials including the macrolides, rifamycins, and aminocoumarins

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