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Published on: November 23, 2016
Complete amino acid sequence of arachin subunit of molecular weight 21,000
Abstract:
A subunit of molecular weight 21,000 from arachin, the major peanut protein, was isolated in pure form and primary structure was determined. The subunit was fragmented with CNBr, trypsin, and NBS; the fragments were separated and isolated by PAGE, gel filtration, Dowex treatment, and paper electrophoresis, and Edman degradation on each fragment, including the intact subunit, was performed. The PTH-amino acids thus obtained were identified by UV spectroscopy and TLC. The complete sequence of 176 residues was established by overlapping technique.
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