Leibniz Institute DSMZ
DSMZ Digital Diversity
Login
Enzyme, Ligand
contains
Search enzyme or ligand
Go
Classic view
All enzymes
Enzyme history
BRENDA support
Any feedback?
Please rate this page
(ecexplorer.php)
😁
😐
😡
(
0
/150)
Send feedback
BRENDA support
EC Explorer
[
browse EC tree
] - [
search
]
back to top
EC Tree
1 Oxidoreductases
1.1 Acting on the CH-OH group of donors
1.2 Acting on the aldehyde or oxo group of donors
1.3 Acting on the CH-CH group of donors
1.4 Acting on the CH-NH
2
group of donors
1.4.1 With NAD
+
or NADP
+
as acceptor
1.4.2 With a cytochrome as acceptor
1.4.3 With oxygen as acceptor
1.4.4 With a disulfide as acceptor
1.4.5 With a quinone or other compound as acceptor
1.4.7 With an iron-sulfur protein as acceptor
1.4.9 With a copper protein as acceptor
1.4.98. undefined
1.4.99 With unknown physiological acceptors
1.5 Acting on the CH-NH group of donors
1.6 Acting on NADH or NADPH
1.6.1 With NAD
+
or NADP
+
as acceptor
1.6.2 With a heme protein as acceptor
1.6.3 With oxygen as acceptor
1.6.3.1 NAD(P)H oxidase (H
2
O
2
-forming)
1.6.3.2 NAD(P)H oxidase (H
2
O-forming)
1.6.3.3 NADH oxidase (H
2
O
2
-forming)
1.6.3.4 NADH oxidase (H
2
O-forming)
1.6.3.5 renalase
1.6.4 With a disulfide as acceptor (deleted sub-subclass)
1.6.5 With a quinone or similar compound as acceptor
1.6.5.1 created 1961, deleted 1965
1.6.5.2 NAD(P)H dehydrogenase (quinone)
1.6.5.3 NADH:ubiquinone reductase (H
+
-translocating)
1.6.5.4 monodehydroascorbate reductase (NADH)
1.6.5.5 NADPH:quinone reductase
1.6.5.6
p
-benzoquinone reductase (NADPH)
1.6.5.7 2-hydroxy-1,4-benzoquinone reductase
1.6.5.8 NADH:ubiquinone reductase (Na
+
-transporting)
1.6.5.9 NADH:quinone reductase (non-electrogenic)
1.6.5.10 NADPH dehydrogenase (quinone)
1.6.5.11 NADH dehydrogenase (quinone)
1.6.5.12 demethylphylloquinone reductase
1.6.6 With a nitrogenous group as acceptor
1.6.7 With an iron-sulfur protein as acceptor (deleted sub-subclass)
1.6.8 With a flavin as acceptor (deleted sub-subclass)
1.6.99 With unknown physiological acceptors
1.7 Acting on other nitrogenous compounds as donors
1.8 Acting on a sulfur group of donors
1.9 Acting on a heme group of donors
1.10 Acting on diphenols and related substances as donors
1.10.1 With NAD
+
or NADP
+
as acceptor
1.10.2 With a cytochrome as acceptor
1.10.3 With oxygen as acceptor
1.10.5 With a quinone or related compound as acceptor
1.10.9 With a copper protein as acceptor
1.10.99 With unknown physiological acceptors
1.11 Acting on a peroxide as acceptor
1.12 Acting on hydrogen as donor
1.13 Acting on single donors with incorporation of molecular oxygen (oxygenases)
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
1.15 Acting on superoxide as acceptor
1.16 Oxidizing metal ions
1.17 Acting on CH or CH
2
groups
1.18 Acting on iron-sulfur proteins as donors
1.19 Acting on reduced flavodoxin as donor
1.20 Acting on phosphorus or arsenic in donors
1.20.1 With NAD
+
or NADP
+
as acceptor
1.20.2 With a cytochrome as acceptor
1.20.4 With disulfide as acceptor
1.20.9 With a copper protein as acceptor
1.20.98 With other, known, physiological acceptors
1.20.99 With unknown physiological acceptors
1.21 Catalysing the reaction X-H + Y-H = X-Y
1.22 Acting on halogen in donors
1.23 Reducing C-O-C group as acceptor
1.97 Other oxidoreductases
1.97.1 Sole sub-subclass for oxidoreductases that do not belong in the other subclasses
1.98 Enzymes using H
2
as reductant (deleted subclass)
1.99 Other enzymes using O
2
as oxidant (deleted subclass)
2 Transferases
3 Hydrolases
4 Lyases
5 Isomerases
6 Ligases
7 Translocases