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Product Introduction

Bioactivity

Description	Ribostamycin sulfate (Vistamycin sulfate) , an aminoglycoside antibiotic, contains a neutral sugar moiety and is produced by Streptomyces ribosome.
In vitro	Compared to other antibiotics, Ribostamycin (400 mg/kg/day) exhibits the lowest ototoxicity and maintains lower drug concentrations in the inner ear fluid of guinea pigs. Ribostamycin demonstrates minimal ototoxicity to both the cochlea and vestibular apparatus in guinea pigs.
In vivo	Ribostamycin effectively inhibits aminoglycoside-modifying enzymes in gentamicin-resistant Pseudomonas aeruginosa without suppressing protein disulfide isomerase (PDI) activity, although it does inhibit its chaperone activity. At a 100:1 molar ratio with PDI, Ribostamycin nearly completely inhibits chaperone activity. The dissociation constant (KD) for Ribostamycin binding to immunogenic PDI is 0.319 mM. Additionally, Ribostamycin exhibits antibacterial activity against Borrelia burgdorferi with a minimum inhibitory concentration (MIC) of 18.7 mg/L. At a concentration of 16 mcg/mL, Ribostamycin inhibits P. stagnora, P. zopfii, and P. wickerhamii strains by 100%, 100%, and 95%, respectively.
Alias	Vistamycin sulfate

Chemical Properties

Molecular Weight	552.55
Formula	C₁₇H₃₄N₄O₁₀·H₂SO₄
Cas No.	53797-35-6

Storage & Solubility Information

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.

Solubility Information

DMSO: Insoluble

H2O: 10 mM

Solution Preparation Table

H2O

	1mg	5mg	10mg	50mg
1 mM	1.8098 mL	9.0490 mL	18.0979 mL	90.4895 mL
5 mM	0.3620 mL	1.8098 mL	3.6196 mL	18.0979 mL
10 mM	0.1810 mL	0.9049 mL	1.8098 mL	9.0490 mL

Calculator

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In Vivo Formulation Calculator (Clear solution)

Please enter your animal experiment information in the following box and click Calculate to obtain the mother liquor preparation method and in vivo formula preparation method:

For example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . TargetMol | Animal experiments

A total of 10 animals were administered, and the formula you used is 5% TargetMol | reagent

DMSO+30% PEG300+5% Tween 80+60% ddH2O. So your working solution concentration is 2 mg/mL。

Mother liquor preparation method: 2 mg of drug dissolved in 50 μL DMSO TargetMol | reagent

(mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.

Preparation method for in vivo formula: Take 50 μL DMSO TargetMol | reagent

main solution, add 300 μLPEG300 TargetMol | reagent

mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O TargetMol | reagent

mix well and clarify

For Reference Only. Please develop an appropriate dissolution method based on your laboratory animals and route of administration.

Dose Conversion

You can also refer to dose conversion for different animals. More Dose Conversion

Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc

Keywords

InhibitorVistamycininhibitRibostamycin sulfateAntibioticVistamycin SulfateBacterialRibostamycinRibostamycin Sulfate