●● ●●●●● Each enzyme is now classified and named according to the ●●●● ●●●● type of chemical reaction it catalyzes. So an enzyme is ●●●● assigned a four-number classification and a two-part name called a systematic name. In addition recommended name is suggested by lUB for everyday use EC,XXXX 乳酸脱氢酶EC 27 第1大类,氧化还原酶 第1亚类,氧化基团CHOH 第1亚亚类,H受体为NAD 该酶在亚亚类中的流水编号Each enzyme is now classified and named according to the type of chemical reaction it catalyzes. So an enzyme is assigned a four-number classification and a two-part name called a systematic name. In addition recommended name is suggested by IUB for everyday use. E.C. X.X.X.X 乳酸脱氢酶 EC 1. 1. 1. 27 第1大类，氧化还原酶 第1亚类，氧化基团CHOH 第1亚亚类，H受体为NAD+ 该酶在亚亚类中的流水编号