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Overview
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GNB3 Human Recombinant produced in E. Coli is a single, non-glycosylated polypeptide chain containing 363 amino acids (1-340 a.a) and having a molecular mass of 39.6kDa. GNB3 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques. GNB3belongs to the WD repeat G protein beta family. GNB3 is an important regulatorof alpha subunit, as well as of certain signal transduction receptor and effector. A single-nucleotide polymorphism (C825T) in GNB3 is linked with essentialhypertension and obesity. In addition, this polymorphism is also linked withthe occurrence of the splice variant GNB3-s, which seems to have increasedactivity. GNB3-s is an example of alternative splicing caused by a nucleotidechange outside of the splice donor and acceptor sites. Further splice variantsmay exist for GNB3, however they have not been fully described. Among thediseases associated with GNB3 are syncope, and aortic coarctation.
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Overview