Neomycin sulfate

Catalog No.S2568 Batch:S256803

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Technical Data

Formula

C23H46N6O13.H2SO4

Molecular Weight 712.72 CAS No. 28002-70-2 ,1405-10-3
Solubility (25°C)* In vitro Water 100 mg/mL (140.3 mM)
DMSO Insoluble
Ethanol Insoluble
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
* Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)

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Biological Activity

Description Neomycin sulfate(Framycin sulfate) is an aminoglycoside antibiotic, used to treat bacteria infections.
In vitro

Neomycin interacts preferentially with the ribozyme-substrate complex and that this interaction leads to a reduction in the cleavage rate by stabilizing the ground state of the complex and destabilizing the transition state of the cleavage step. [1] Neomycin effects a conformational change in the structure of trans-activating region (TAR) that can be detected by circular dichroism spectroscopy. Neomycin acts as a noncompetitive inhibitor that can bind to the Tat-TAR complex and increase the rate constant (koff) for dissociation of the peptide from the RNA. [2] Neomycin is the most effective aminoglycoside (groove binder) in stabilizing a DNA triple helix. Neomycin stabilizes TAT, as well as mixed base DNA triplexes, better than known DNA minor groove binders (which usually destabilize the triplex) and polyamines. Neomycin shows a preference for stabilization of TAT triplets but can also accommodate CGC(+) triplets. [3] Neomycin induces a concentration- and voltage-dependent partial block from both the cytosolic and luminal faces of the channel. Neomycin has a greater affinity for the luminal site of interaction than the cytosolic site: zero-voltage dissociation constants (Kb(0)) are respectively 210.20 nM and 589.70 nM for luminal and cytosolic block. Neomycin also exhibits voltage-dependent relief of block at holding potentials >+60 mV. [4]

Protocol (from reference)

Selleck's Neomycin sulfate has been cited by 1 publication

Replication Stress Induces ATR/CHK1-Dependent Nonrandom Segregation of Damaged Chromosomes. [ Mol Cell, 2020, 22 pii: S1097-2765(20)30231-8] PubMed: 32353258

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SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.

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