dansyl chloride
(= 1-dimethyl-amino-naphthalene-5-sulphonyl chloride)
A strongly fluorescent compound that will react with the terminal amino group of a protein. After acid hydrolysis of all the other peptide bonds, the terminal amino acid is identifiable as the dansylated residue.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

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  • Sulfonyl — A sulfone. It consists of a sulfonyl group bonded with two hydrocarbon substituents. A sulfonyl group can refer either to a functional group found primarily in sulfones or to a substituent obtained from a sulfonic acid by the removal of the… …   Wikipedia

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  • Protein sequencing — Proteins are found in every cell and are essential to every biological process, protein structure is very complex: determining a protein s structure involves first protein sequencing determining the amino acid sequences of its constituent… …   Wikipedia

  • DANS — Abbreviation for 1 dimethylaminonaphthalene 5 sulfonic acid; a green fluorescing compound used in immunohistochemistry to detect antigens. * * * 1 dimethylaminonaphthalene 5 sulfonyl chloride * * * 5 dimethylamino 1 naphthalenesulfonic acid. See… …   Medical dictionary

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