In biochemistry, isozymes (also known as isoenzymes or more generally as multiple forms of enzymes) are enzymes that differ in amino acid sequence but catalyze the same chemical reaction. Isozymes usually have different kinetic parameters (e.g. different KM values), or are regulated differently.

同工酶（ isozyme ，isoenzyme）广义是指生物体内催化相同反应而 分子结构 不同的酶。 按照国际生化联合会（IUB）所属 生化 命名委员会的建议，则只把其中因编码基因不同而产生的多种分子结构的酶称为同工酶。

同工酶（Isozyme／Isoenzyme）是指性质不同（Vmax和／或Km不同）但催化反应相同的酶，又稱為同功異構酶。 它们可以以不同的量出现在一种生物的不同组织或器官中，也可以出现在任何 真核生物 细胞不同的 细胞器 。

Mar 11, 2024 · Isozymes, also known as isoenzymes, are enzymes that differ in amino acid sequence but catalyze the same chemical reaction· They usually have different kinetic parameters or are regulated differently. Isozymes are often the result of gene duplication, but can also arise from polyploidization or nucleic acid hybridization.

Apr 24, 2020 · 同工酶（Isozyme／Isoenzyme）是指性质不同（Vmax和／或Km不同）但催化反应相同的酶，又称为同功异构酶。 它们可以以不同的量出现在一种生物的不同组织或器官中，也可以出现在任何真核生物细胞不同的细胞器。

Isozymes are defined as multiple molecular forms of an enzyme demonstrating similar or identical catalytic properties. You might find these chapters and articles relevant to this topic. Richard E. Giles, Frank H. Ruddle, in Tissue Culture, 1973. Isozymes.

May 29, 2023 · Isozymes (also known as isoenzymes) are enzymes that differ in amino acid sequence but catalyze the same chemical reaction. These enzymes usually display different kinetic parameters (i.e. different KM values), or different regulatory properties.

Isozymes are defined as multiple forms of enzymes occurring in the same organism and having similar or identical catalytic activities. They are usually demonstrated by the technique of zone electrophoresis followed by in situ histochemical staining for the specific activity. Most isozymes can be classified into primary and secondary types.

Isoenzyme/Isozyme refers to the enzyme with different properties but the same catalytic reaction, also known as isoisomerase. 同工酶，指性质不同但催化反应相同的酶，又称异构酶。

The enzymes that occur in a number of differ­ent forms and differ from each other chemically, immunologically and electrophoretically are called “Isoenzymes” or “isozymes”. Occurrence of Isozymes: Isozymes are present in the serum and tissues of mammals, amphibians, birds, insects, plants and unicellular organisms. Examples: