New fluorochromes for thiols: maleimide and iodoacetamide derivatives of a 3-phenylcoumarin fluorophoreTO Sippel
N-(4-(7 - Diethylamino - methylcoumarin - 3 yl)phenyl)maleimide (CPM) and the corresponding iodoacetamide are described. When applied to sections at pH 6 and 9, respectively, the two fluorogens are very similar in their reactivity and selectivity toward thiols with which they form adducts having much the same bright blue fluorescence. However, difference in other properties favor CPM for further study.
Volume 29,
Issue 2,
pp. 314-316,
02/01/1981
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W. Feng, G. Liu, R. Xia, J. J. Abramson, and I. N. Pessah Site-Selective Modification of Hyperreactive Cysteines of Ryanodine Receptor Complex by Quinones Mol. Pharmacol., May 1, 1999; 55(5): 821 - 831. [Abstract] [Full Text] |
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S. M. C. Newton, J. S. Allen, Z. Cao, Z. Qi, X. Jiang, C. Sprencel, J. D. Igo, S. B. Foster, M. A. Payne, and P. E. Klebba Double mutagenesis of a positive charge cluster in the ligand-binding site of the ferric enterobactin receptor, FepA PNAS, April 29, 1997; 94(9): 4560 - 4565. [Abstract] [Full Text] [PDF] |
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