Gliadin Wheat-Other

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Gliadin Wheat


Catalog #
Gliadin is a cDNA coding for an epitope-carrying fragment of a wheat gamma-gliadin isoform, having a molecular mass of 18,616 Dalton (high proline content and the low pI are likely causes for the observed discrepancy between calculated molecular weight and the observed electrophoretic mobility of approx. 47 kDa on standard SDS-PAGE), pH 4.6. By sequence design the epitopes correspond to the deamidated neo-epitopes, which in the natural antigen are formed by transglutaminase-mediated glutamine side chain deamidation. Gliadin protein is fused to a hexa-histidine purification tag.
Additional Information
IntroductionWheat Gliadin and related gluten components from barley, rye and possibly oats can cause an abnormal immune response called Celiac disease which is a chronic gastrointestinal disorder. Celiac disease characteristics are flattening of the jejunal mucosa and intestinal lesions of variable severity in hereditarily inclined individuals. Even thoµgh Celiac disease is not a classic autoimmune disease it is related to anti-tissue transglutaminase antibodies and gliadin antibodies tests are most recommended in screening populations at risk for CD and other gluten-sensitive enteropathies. In the past, serologic tests for gliadin antibodies usually were not very precise and were not enoµgh for accurate diagnosis due to missing deamidated epitopes within the authentic gliadin fraction traditionally used in diagnostic test kits. NeoBiolab's deamidated Gliadin isoform matches to the deamidated neo-epitopes, which in the natural antigen are formed by transglutaminase-mediated glutamine side chain deamidation.
SourceEscherichia Coli.
FormulationGliadin is supplied in 20mM HEPES buffer pH-8.0, 200mM NaCl, and 20% glycerol.
PurityGreater than 94% as determined by SDS-PAGE.
UsageNeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.
ApplicationsWestern blot with monoclonal anti-hexa-His-tag antibody.
StorageStore at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. Avoid multiple freeze-thaw cycles.




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