These results showed that the ionizing group of the enzymeactivecenter is the carboxyl group.
化学修饰法研究进一步证明侧链羧基是酶的必需基团,并测定出酶活性必需的羧基数为一个。
2
The catalytic center of an enzyme is composed of a set of amino acids whose three-dimensional arrangement forms the "active-site" that allows them to efficiently bind and modify the substrate.
酶的催化中心是由一组氨基酸组成,其三维结构形成活性位点,允许它高效地结合或修饰底物。
3
Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the activecenter of the enzyme.