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China Supplier Amgen - D-Glutamic acid CAS:6893-26-1 99% White powder – XD BIOCHEM

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China Supplier Amgen - D-Glutamic acid CAS:6893-26-1 99% White powder – XD BIOCHEM Detail:

Catalog Number XD90313
Product Name D-Glutamic acid
CAS 6893-26-1
Molecular Formula C5H9NO4
Molecular Weight 147.13
Storage Details Ambient
Harmonized Tariff Code 29224200

 

Product Specification

Appearance White crystalline powder
Assay 99%
Specific rotation -31 to -32.2
Heavy metals <10ppm
AS <1ppm
pH 3 – 3.5
SO4 <0.020%
Fe <10ppm
Loss on Drying <0.20%
Residue on Ignition <0.10%
NH4 <0.02%
Cl <0.02%
State of Solution >98%

 

γ-Glutamyltranspeptidases (γ-GTs) cleave the γ-glutamyl amide bond of glutathione and transfer the released γ-glutamyl group to water (hydrolysis) or acceptor amino acids (transpeptidation). These ubiquitous enzymes play a key role in the biosynthesis and degradation of glutathione, and in xenobiotic detoxification. Here we report the 3Å resolution crystal structure of Bacillus licheniformis γ-GT (BlGT) and that of its complex with l-Glu. X-ray structures confirm that BlGT belongs to the N-terminal nucleophilic hydrolase superfamily and reveal that the protein possesses an opened active site cleft similar to that reported for the homologous enzyme from Bacillus subtilis, but different from those observed for human γ-GT and for γ-GTs from other microorganisms. Data suggest that the binding of l-Glu induces a reordering of the C-terminal tail of BlGT large subunit and allow the identification of a cluster of acid residues that are potentially involved in the recognition of a metal ion. T he role of these residues on the conformational stability of BlGT has been studied by characterizing the autoprocessing, enzymatic activity, chemical and thermal denaturation of four new Ala single mutants. The results show that replacement of Asp568 with an Ala affects both the autoprocessing and structural stability of the protein.


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That has a sound small business credit, great after-sales service and modern production facilities, we've earned an outstanding standing amid our buyers across the earth for China Supplier Amgen - D-Glutamic acid CAS:6893-26-1 99% White powder – XD BIOCHEM , The product will supply to all over the world, such as: Jamaica, South Korea, Malawi, We only supply quality products and we believe this is the only way to keep business continue. We can supply custom service too such as Logo, custom size, or custom products etc that can according to customer's requirement.
  • This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Gabrielle from Guinea - 2018.10.09 19:07
    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
    5 Stars By Matthew from Austria - 2017.08.15 12:36
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    China Supplier Amgen - D-Glutamic acid CAS:6893-26-1 99% White powder – XD BIOCHEM