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China Factory for Neuroscience - DL-Methionine Cas: 59-51-8 99-101% White to off-white crystal powder – XD BIOCHEM

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China Factory for Neuroscience - DL-Methionine Cas: 59-51-8 99-101% White to off-white crystal powder – XD BIOCHEM Detail:

Catalog Number XD90288
Product Name DL-Methionine 

CAS

63-68-3

Molecular Formula

C5H11NO2S

Molecular Weight

149.21134
Storage Details Ambient

Harmonized Tariff Code

29304090

 

Product Specification

Assay 99 – 101%
Appearance White to off-white crystal
Grade EP7.0
pH 5.4 – 6.1
SO4 200ppm max
Pb 20ppm max
Loss on Drying 0.5% max
Sulfated ash 0.1% max
Cl 200ppm max
Related Substance 0.2% max
Identity IR

 

Cellulose is the most abundant renewable polymer on Earth and a major component of the plant cell wall. In vascular plants, cellulose synthesis is catalyzed by a large, plasma membrane-localized cellulose synthase complex (CSC), visualized as a hexameric rosette structure. Three unique cellulose synthase (CESA) isoforms are required for CSC assembly and function. However, elucidation of either the number or stoichiometry of CESAs within the CSC has remained elusive. In this study, we show a 1:1:1 stoichiometry between the three Arabidopsis thaliana secondary cell wall isozymes: CESA4, CESA7, and CESA8. This ratio was determined utilizing a simple but elegant method of quantitative immunoblotting using isoform-specific antibodies and (35)S-labeled protein standards for each CESA. Additionally, the observed equimolar stoichiometry was found to be fixed along the axis of the stem, which represents a developmental gradient. Our results complement recent spectroscopic analyses pointing towa rd an 18-chain cellulose microfibril. Taken together, we propose that the CSC is composed of a hexamer of catalytically active CESA trimers, with each CESA in equimolar amounts. This finding is a crucial advance in understanding how CESAs integrate to form higher order complexes, which is a key determinate of cellulose microfibril and cell wall properties.


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China Factory for Neuroscience - DL-Methionine  Cas: 59-51-8  99-101%  White to off-white crystal powder – XD BIOCHEM detail pictures


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Sticking to the belief of "Creating products of high quality and making friends with people from all over the world", we always put the interest of customers in the first place for China Factory for Neuroscience - DL-Methionine Cas: 59-51-8 99-101% White to off-white crystal powder – XD BIOCHEM , The product will supply to all over the world, such as: Barcelona, Los Angeles, Suriname, We follow superior mechanism to process these products that ensure optimum durability and reliability of the products. We follow latest effective washing and straightening processes that allow us to offer unmatched quality of products for our clients. We continually strive for perfection and all our efforts are directed towards attaining complete client satisfaction.
  • We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Olivia from Seychelles - 2018.09.23 18:44
    This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Irene from Mexico - 2018.07.27 12:26
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    China Factory for Neuroscience - DL-Methionine Cas: 59-51-8 99-101% White to off-white crystal powder – XD BIOCHEM