In order to provide modified luciferase whose substrate specificity to at least one luminescent substrate (e.g., AkaLumine) other than D-luciferin has been improved as compared with to D-luciferin, modified luciferase according to an aspect of the present invention has a mutation at an amino acid corresponding to a 347th amino acid in an amino acid sequence represented by SEQ ID NO: 1.
为了提供对除
D-荧光素以外的至少一种发光底物(如AkaLumine)的底物特异性比对
D-荧光素更强的改性
荧光素酶,根据本发明的一个方面,改性
荧光素酶在与
SEQ ID NO: 1所代表的
氨基酸序列中第347个
氨基酸相对应的
氨基酸上发生了突变。