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Microcystin-LY

 
ALX-350-148-C025 25 µg 166.00 USD
 
ALX-350-148-C100 100 µg 480.00 USD
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Analog of microcystin-LR (Prod. No. ALX-350-012) with Tyr substituted in place of Arg. Its toxicity is intermediate between the more toxic microcystin-LF and the less toxic microcystin-LR.

Product Specification

Formula:C52H71N7O13
 
MW:1002.2
 
Source:Isolated from Microcystis aeruginosa.
 
CAS:123304-10-9
 
Purity:≥95% (HPLC)
 
Identity:Identity determined by MS.
 
Appearance:Whitish film adhered to inside of the vial.
 
Solubility:Soluble in 100% ethanol or methanol.
 
Shipping:Ambient
 
Long Term Storage:-20°C
 
Use/Stability:Stock solutions are stable for up to 6 months when stored at -20°C. Unstable at pH>7.7.
 
Handling:For maximum product recovery after thawing, centrifuge the vial before opening the cap.
 
Scientific Background:Microcystins are a group of cyclic heptapeptide hepatotoxins produced by a number of cyanobacterial genera. The most notable of which, and namesake, is the widespread genus Microcystis. Structurally, all microcystins consist of the generalized structure cyclo(-D-Ala1-X2-D-MeAsp3-Y4-Adda5-D-Glu6-Mdha7-). X and Y are variable L-amino acids, D-MeAsp is D-erythro-β-methylaspartic acid and Mdha is N-methyldehydroalanine. Adda is the cyanobacteria unique C20 β-amino acid 3-amino-9-methoxy-2,6,8-trimethyl-10-phenyl-deca-4,6-dienoic acid. Substitutions of the variable L-amino acids at positions 2 and 4 give rise to at least 21 known primary microcystin analogs and alterations in the other constituent amino acids result in more than 90 reported mycrocystins to date.
 
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Product Literature References

Simple, high efficiency detection of microcystins and nodularin-R in water by fluorescence polarization immunoassay: H. Zhang, et al.; Anal. Chim. Acta 992, 119 (2017), Abstract;
Effect of chlorination on the protein phosphatase inhibition activity for several microcystins: H. Mash, et al.; Water Res. 95, 230 (2016), Abstract;
Hepatotoxic Microcystin Removal Using Pumice Embedded Monolithic Composite Cryogel as an Alternative Water Treatment Method: F. Gurbuz, et al.; Water Res. 90, 337 (2016), Application(s): Injection, Abstract;
Biodegradation of multiple microcystins and cylindrospermopsin in clarifier sludge and a drinking water source: Effects of particulate attached bacteria and phycocyanin: E. Maghsoudi, et al.; Ecotoxicol. Environ. Saf. 120, 409 (2015), Abstract;
Comparative toxicity of four microcystins of different hydrophobicities to the protozoan, Tetrahymena pyriformis: C.J. Ward & G.A. Codd; J. Appl. Microbiol. 86, 874 (1999), Abstract;
Identification and characterization of microcystin-LY from Microcystis aeruginosa (strain 298): S. Rudolph-Bohner, et al.; Biol. Chem. Hoppe Seyler 374, 635 (1993), Abstract;
The effects of single L-amino acid substitutions on the lethal potencies of the microcystins: R.D. Stoner, et al.; Toxicon 27, 825 (1989), Abstract;

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