Biological Molecules - Enzymes

Enzymes Some are

made up of

Lim Hui Ni Royston Han

Catalytic activity

Active site

affected by

function is to Speed up reaction

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have

have an

Protein catalysts

Amino acids

Done by:

forms pH

Temperature

Cofactors

Inhibition

is

Enzyme-substrate complex

such as

influence the Substrate-specific

leads to a

one of the hypothesis is

Lower Ea

Tertiary structure

by having

Non-covalent forces Non-competitive

Lock and key Conducive micro environment

Feedback

exhibits Induce fit

such as Active site participate in reaction

Close proximity

Competitive

Increase bond tension

Suitable pH

Group specificity

Eg.

affect Eg.

Absolute specificity

exhibits

Linkage Specificity

Eg. 3D conformation of enzyme

Stereochemical specificity

Cyanide inhibits cytochromase

Heavy metals L-threonine deaminase is inhibited by the product Lisoleucine.