1. Analysis of protein sequencing
    Sherry Cryer Sherry Cryer People's Republic of China says:
    September 4, 2018 at 3:04 AM

    In protein N-terminal sequence analysis, proteins are first modified with phenylisothiocyanate (PITC). Subsequently, the derivatized terminal amino acid is removed by acid cleavage in a form of phenylthiohydantoin (PTH) derivative and a new α-amino group on the next amino acid is now available for the next round of reaction with PITC.
    Creative Proteomics is able to contribute to this research. With our current advanced technology, it is fairly routine to obtain at least 20 to 25 residues of sequence from the N-terminus of the proteins and peptides

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