1.

A reagent suitable for the determination of N-terminal residue of a peptide is

Answer»

p-toluene SULPHONYL chloride
2,4-dinitrophenyl hydrazine
carboxypeptidase
2,4-dinitrofluorobenzene

Solution :2,4-dinitrofluorobenzene is called Sanger's reagent. When this reagent reacts with amino group of PEPTIDE chain, it form 2,4-dinitrophenyl DERIVATIVES which on hydrolysis form DNP derivatives of amino ACIDS.


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