enzyme classes + rate-limiting enzymes

enzymes consisting only of proteins

Simple enzymes

enzymes consisting of protein part + nonprotein part

Complex Enzyme

ENZYME TYPE

active enzyme + non-protein component

Holoenzymes

enzyme w/o its non-protein component

Apoenzyme

non-protein component that is a metal ion

non-protein component that is a small organic molecule derived from vitamins

Coenzyme

R-L enzyme for Glycolysis

Phosphofructokinase-1

R-L enzyme for Gluconeogenesis

Fructose-1,6-bisphosphatase

R-L enzyme for TCA Cycle

Isocitrate dehydrogenase

R-L enzyme for Glycogenesis

Glycogen synthase

R-L enzyme for Glycogenolysis

Glycogen phosphorylase

R-L enzyme for HMP Shunt

Glucose-6-phosphate dehydrogenase

R-L enzyme for Pyrimidine Synthesis

Carbamoyl phosphate synthetase II

R-L enzyme for Purine Synthesis

Glutamine-PRPP amidotransferase

R-L enzyme for Urea Cycle

Carbamoyl phosphate synthetase I

R-L enzyme for Fatty Acid synthesis

Acetyl-CoA carboxylase

R-L enzyme for beta-oxidation

Carnitine acyltransferase I

R-L enzyme for ketogenesis

HMG-CoA synthetase

enzyme that detects myocardial infraction

Aspartate aminotranferase

enzyme used to detect viral hepatitis

Alanine aminotransferase

enzyme used to detect acute pancreatitis

Amylase

enzyme used to detect muscle disorders

Creatinine kinase

enzymes used to detect liver diseases

• Y-glutamyl transferase

• Lactate dehydrogenase isozyme 5

• Alkaline phosphatase

enzyme used to detect bone disorder

Alkaline phosphatase

enzyme used to detect obstructive liver disease

Alkaline phosphatase