noun

definition

A contributing factor.

definition

A substance, especially a coenzyme or a metal, that must be present for an enzyme to function.

definition

A molecule that binds to and regulates the activity of a protein.

definition

The result of a number being divided by one of its factors.

definition

(of a matrix) The signed determinant of the submatrix produced by removing the row and column containing a specified element; primarily used in the recursive definition and calculation of the determinant of a matrix.

Examples of cofactor in a Sentence

Although the active site of ASV integrase does not undergo significant conformational changes on binding the required metal cofactor, that of HIV-1 does.

Human membrane cofactor protein (CD46) acts as a cellular receptor for measles virus.

It tells you a bit about the catalytic activity of the enzyme and its cofactor Pyridoxal Phosphate.

From the value of A we may separate those members which contain a particular element a ik as a factor, and write the portion aik A ik; A k, the cofactor of ar k, is called a minor of order n - i of the determinant.

Hence anAu = auk t a22a33...ann, where the cofactor of an is clearly the determinant obtained by erasing the first row and the first column.

Zinc is an essential cofactor for the important antioxidant enzyme Superoxide Dismutase.

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