1
Q
oxidoreductases
A
CO, LD, MDH, ICD, G-6-PD
2
Q
CO
A
cytochrome oxidase
3
Q
LD
A
lactate dehydrogenase
4
Q
MDH
A
malate dehydrogenase
5
Q
ICD
A
isocitrate dehydrogenase
6
Q
G-6-PD
A
glucose-6-phosphate dehydrogenase
7
Q
transferases
A
CK, AST, ALT
8
Q
CK
A
creatine kinase
9
Q
AST
A
aspartate aminotransferase
10
Q
ALT
A
alanine aminotransferase
11
Q
hydrolases
A
ACP, ALP, CHS, LPS, AMS
12
Q
ACP
A
acid phosphatase
13
Q
ALP
A
alkaline phosphatase
14
Q
CHS
A
chymotrypsin
15
Q
LPS
A
lipase
16
Q
AMS
A
amylase
17
Q
lyases
A
GAD, ALD
18
Q
GAD
A
glutamate decarboxylase
19
Q
ALD
A
aldolase
20
Q
isomerases
A
GPI, RPI
21
Q
GPI
A
glucose phosphate isomerase
22
Q
RPI
A
ribose phosphate isomerase
23
Q
ligase
A
synthase
24
Q
subclasses of oxidoreductases
A
oxidases, reductases, dehydrogenases
25
oxidation of a substrate
oxidases
26
reduction of a substrate
reductases
27
introduction of double bond (oxidation) by formal removal of two H atoms from substrate, the H being accepted by a coenzyme
dehydrogenases
28
subclasses of transferases
transaminases, kinases
29
transfer of an amino group between substrates
transaminases
30
transfer of a phosphate group between substrates
kinases
31
subclasses of hydrolases
lipases, proteases, nucleases, carbohydrates, phosphates
32
hydrolysis of ester linkages in lipids
lipases
33
hydrolysis of amide linkages in proteins
proteases
34
hydrolysis of sugar phosphate ester bonds in nucleic acids
nucleases
35
hydrolysis of glycosidic bonds in carbohydrates
carbohydrases
36
hydrolysis of phosphate ester bonds
phosphatases
37
subclasses of lyases
dehydratases, decarboxylases, deaminases, hydratases
38
removal of H2O from a substrate
dehydratases
39
removal of CO2 from a substrate
decarboxylases
40
removal of NH3 from a substrate
deaminases
41
addition of H2O to a substrate
hydratases
42
subclasses of isomerases
racemases, mutases
43
conversion of D isomer to L isomer, or vice versa
racemases
44
transfer of a functional group from one position to another in the same molecule
mutases
45
subclasses of ligases
synthetases, carboxylases
46
formation of new bond between two substrates, with participation of ATP
synthetases
47
formation of new bond between a substrate and CO2 with participation of ATP
carboxylases
48
catalyze the removal or addition of electrons (redox)
oxidoreductases
49
catalyze the transfer of a chemical group other than hydrogen from one substrate to another
transferases
50
catalyze hydrolysis or splitting of a bond by the addition of water
hydrolases
51
catalyze removal of groups from substrates without hydrolysis, product contains double bond
lyases
52
catalyze the intramolecular arrangement of the substrate compound
isomerases
53
catalyze the joining of two substrate molecules coupled with breaking of pyrophosphate bond in ATP or similar compound
ligase
