Biological molecules that possess catalytic activity. They may occur naturally or be synthetically created. Enzymes are usually proteins, however CATALYTIC RNA and CATALYTIC DNA molecules have also been identified.
    

concept

Protein tyrosine phosphatase, inhibition

Protein tyrosine phosphatase 1,catal. domain

Mouse small intestine

Human HeLa cancer cells, prometaphase

Exfoliative toxin A

Eosinophil-derived neurotoxin

Outlines of enzyme chemistry / J.B. Neilands, Paul K. Stumpf ; with a chapter on the synthesis of enzymes by Roger Y. Stanier.

Enzymopathies récemment décrites dans les domaines des érythrocytes, des amino-acides, des glucides, des gangliosides, des mucopolysaccharides, du collagène, des mécanismes de défense, des porphyries. Déficiences en sialltransférase, en acide phytanique-alpha-oxydase, en myélopéroxydase / par P. Boivin [and others].

The enzymes : chemistry and mechanism of action / edited by James B. Sumner, Karl Myrbäck.

Die organischen Katalysatoren : und ihre Beziehungen zu den Fermente / von Wolfgang Langenbeck.

Enzymes

Images

Catalogue

Eosinophil-derived neurotoxin

Outlines of enzyme chemistry / J.B. Neilands, Paul K. Stumpf ; with a chapter on the synthesis of enzymes by Roger Y. Stanier.

The enzymes : chemistry and mechanism of action / edited by James B. Sumner, Karl Myrbäck.

Die organischen Katalysatoren : und ihre Beziehungen zu den Fermente / von Wolfgang Langenbeck.