Robust Light Emission from Cyclic Alkylaminoluciferin Substrates for Firefly Luciferase
作者:Gadarla Randheer Reddy、Walter C. Thompson、Stephen C. Miller
DOI:10.1021/ja104525m
日期:2010.10.6
Firefly luciferase utilizes the chemical energy of ATP and oxygen to convert its substrate, D-luciferin, into an excited-state oxyluciferin molecule. Relaxation of this molecule to the ground state is responsible for the yellow-green light emission. Synthetic cyclic alkylaminoluciferins that allow robust red-shifted light emission with the modified luciferase Ultra-Glo are described. Overall light
萤火虫荧光素酶利用 ATP 和氧气的化学能将其底物 D-荧光素转化为激发态氧化荧光素分子。该分子松弛到基态是黄绿色光发射的原因。描述了合成的环状烷基氨基荧光素,它允许使用经修饰的荧光素酶 Ultra-Glo 发出强烈的红移光。总体光发射高于无环烷基氨基荧光素、氨基荧光素和天然底物 D-荧光素。