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1.6.2.6: leghemoglobin reductase

This is an abbreviated version!
For detailed information about leghemoglobin reductase, go to the full flat file.

Word Map on EC 1.6.2.6

Reaction

NAD(P)H
+ 2 ferrileghemoglobin =
NAD(P)+
 + 2 ferroleghemoglobin +
H+

Synonyms

dihydrolipoamide dehydrogenase, ferric leghemoglobin reductase, ferric leghemoglobin reductase 2, FLbR-2, FLbR2

ECTree

     1 Oxidoreductases
         1.6 Acting on NADH or NADPH
             1.6.2 With a heme protein as acceptor
                1.6.2.6 leghemoglobin reductase

Substrates Products

Substrates Products on EC 1.6.2.6 - leghemoglobin reductase

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
2 ferricytochrome c + NAD(P)H
2 ferrocytochrome c + NAD(P)+ + H+
show the reaction diagram
-
reduced at 53% of leghemoglobin rate
-
?
2,6-dichloroindophenol + NADH
reduced 2,6-dichloroindophenol + NAD+
show the reaction diagram
NAD(P)H + ferrileghemoglobin
NAD(P)+ + ferroleghemoglobin
show the reaction diagram
NAD(P)H + ferrimyoglobin
NAD(P)+ + ferromyoglobin
show the reaction diagram
-
-
-
?
NADH + ferrileghemoglobin
NAD+ + ferroleghemoglobin
show the reaction diagram
-
-
-
?
NADH + H+ + ferrileghemoglobin
NAD+ + ferroleghemoglobin
show the reaction diagram
NADH + H+ + oxidized ferric rice non-symbiotic Hb1
NAD+ + + reduced ferric rice non-symbiotic Hb1
show the reaction diagram
-
-
-
-
?
NADH + lipoamide
NAD+ + ?
show the reaction diagram
-
-
-
?
NADH + lipoamide
NAD+ + lipoamide
show the reaction diagram
-
recombinant enzyme, lipoamide-dependent NADH oxidation
-
?
NADPH + H+ + ferrileghemoglobin
NADP+ + ferroleghemoglobin
show the reaction diagram
-
-
-
-
?
additional information
?
-
-
reactive nitrogen species are able to react with two inactive forms (in terms of oxygen binding) of leghemoglobin: ferryl-leghemoglobin and nitrosyl-leghemoglobin. In both cases, the product of the reactions is metleghemoglobin. As metleghemoglobin can be reduced by a reductase found in the nodules, reactive nitrogen species could contribute to the recycling of these inactive forms to regenerate deoxyLb, the oxygen-binding form of Lb
-
-
?