文档介绍：Chapter 6 Enzyme (酶)
1
导学
,酶促反应特点,酶的调节;
,酶活性测定与酶活性单位;
, 酶的命名与分类,酶与医学的关系。
2
Contents of chapter 6
Molecular structure and active center of enzyme
Characteristic and mechanism of enzymatic reaction
Enzyme ics
Regulation of enzyme
Nomenclature and classification of enzyme
Enzyme and medicine
酶分子结构和活性中心
酶催化反应特点和机理
酶动力学
调节酶
酶的命名和分类
酶和医药联系
3
Definition of enzyme:
a type of protein having catalytic action which is produced by living cell.
是由生物体活细胞产生的具有催化作用的蛋白质
生物催化剂
biocatalyst
Biological catalyst
4
General formula of reaction 反应通式
E
S
(substrate)
P
(product )
底物,基质
产物
5
立体化学专一性:
一种酶仅作用于立体异构体中的一种,而对另一种则无作用
L-乳酸
LDH
***酸
D-乳酸
LDH
6
2. Mechanism of enzymatic reaction
Induce-fit theory (诱导契合学说)
9
§1 Molecular structure and active center of enzyme
酶的分子结构与活性中心
10