Any feedback?
Please rate this page
(all_enzymes.php)
(0/150)

BRENDA support

1.12.99.6: hydrogenase (acceptor)

This is an abbreviated version!
For detailed information about hydrogenase (acceptor), go to the full flat file.

Word Map on EC 1.12.99.6

Reaction

H2
+
acceptor
=
reduced acceptor

Synonyms

ECH, Ech hydrogenase, EchA, EchB, EchD, EchE, EchF, endo-hydrogenase, energy-converting hydrogenase, exo-hydrogenase, F420-reducing [NiFe] hydrogenase, factor420 hydrogenase, Fe-hydrogenase, Fe-only hydrogenase, ferredoxin hydrogenase, H2 producing hydrogenase [ambiguous], H2-sensing [NiFe] hydrogenase, Hfs, Hmd, HoxEFUYH type [NiFe] hydrogenase, HoxG, HupB, HupL, HupS, hupSLW, Hya, HyaA, HyaB, Hyb, HybA, HyC, HycE, Hyd X, Hyd-1, Hyd-2, Hyd-3, Hyd-4, HYD1, hydA, HydA1, HydA2, HydB, hydrogen dehydrogenase, hydrogen uptake hydrogenase, hydrogen-forming methylenetetrahydromethanopterin dehydrogenase, hydrogen-lyase, hydrogen-lyase [ambiguous], hydrogen:ferredoxin oxidoreductase, hydrogen:methylviologen oxidoreductase, hydrogenase (ferredoxin), hydrogenase 1, hydrogenase 2, hydrogenase 3, hydrogenase I (bidirectional), hydrogenase II, hydrogenase II (uptake), hydrogenase-1, hydrogenase-2, hydrogenase-Fe-S, hydrogenases Hyd-1, hydrogenases Hyd-2, hydrogenlyase [ambiguous], hyf, HyhL, HynSL, HynSL hydrogenase, Hyq, iron-sulfur-cluster-free hydrogenase, Mbh, membrane-bound [NiFe]-hydrogenase, methyl viologen-reducing hydrogenase, methylviologen hydrogenase, Ni-Fe hydrogenase, nickel-iron hydrogenase, NiFe hydrogenase, NiFe(Se) hydrogenase, NiFe-hydrogenase, NIFeSe-hydrogenase, regulatory hydrogenase, respiratory hydrogenase, SHI, uptake hydrogenase, uptake hydrogenase [ambiguous], uptake [NiFe] hydrogenase:, uptake [NiFe]-hydrogenase, [FeFe] hydrogenase, [FeFe]-H2ase, [FeFe]-hydrogenase, [FeFe]H2ase, [Fe] hydrogenase, [Fe]-hydA, [Fe]-hydrogenase, [Ni-Fe] hydrogenase, [NiFeSe]-hydrogenase, [NiFe] hydrogenase, [NiFe]-hydrogenase, [NiFe]-hydrogenase 2, [NiFe]-hydrogenase-2, [NiFe]H2ase, [NiFe]hydrogenase

ECTree

     1 Oxidoreductases
         1.12 Acting on hydrogen as donor
             1.12.99 With unknown physiological acceptors
                1.12.99.6 hydrogenase (acceptor)

Oxidation Stability

Oxidation Stability on EC 1.12.99.6 - hydrogenase (acceptor)

Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
OXIDATION STABILITY
ORGANISM
UNIPROT
LITERATURE
after exposure to air for 45 days at 4°C, the enzyme retains nearly 100% of its activity when assayed under anaerobic conditions. In 1% O2, 20.4% of its hydrogen-deuterium exchange activity is retained. The accumulation of active HynSL enzyme is enhanced in the presence of molecular oxygen. The activity drops to 5.2% when the reaction is exposed to 3% O2 and no activity is detected in 5% O2
-
710951
enzyme is extremely sensitive to inactivation by O2
MBH is an O2-tolerant hydrogenase, O2 tolerance increases with increasing temperature (10-40°C) and decreasing potentials (from -0.018 mV to +0.262 mV)
-
713401
oxygen tolerance is based on limited access of oxygen to the active site
-
674448
reversibly inactivated upon exposure to O2
-
658972
the enzyme is O2 tolerant
-
764154
the enzyme is O2-tolerant
764975
the purified enzyme retains 37% of its initial activity after 72 h of air exposure. After 96 h of air exposure, no activity of the purified enzyme is detected
-
711516