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BRENDA support

Ligand hydrazine

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Basic Ligand Information

Molecular Structure
Picture of hydrazine (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
H4N2
hydrazine
OAKJQQAXSVQMHS-UHFFFAOYSA-N
Synonyms:
H2NNH2, hydrazin, N2H4, NH2NH2

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (5 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
hydrazine + reduced ferredoxin = 2 NH3 + oxidized ferredoxin
show the reaction diagram
-
hydrazine + H2O + ferricytochrome c = nitric oxide + ammonium + ferrocytochrome c
show the reaction diagram
-
hydrazine + ferricytochrome c = ? + ferrocytochrome c + H+
show the reaction diagram
-

In Vivo Product in Enzyme-catalyzed Reactions (5 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
N2 + 4 reduced ferredoxin = hydrazine + 4 oxidized ferredoxin
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (30 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
hydrazine + H2O + ferricytochrome c = nitric oxide + ammonium + ferrocytochrome c
show the reaction diagram
-
hydrazine + ferricytochrome c = ? + ferrocytochrome c + H+
show the reaction diagram
-
short-chain amides + hydrazine = acid hydrazides + NH3
show the reaction diagram
-
hydrazine + fumarate = 2-hydrazinosuccinic acid
show the reaction diagram
-
mesaconate + hydrazine = ?
show the reaction diagram
-
2 ATP + hydrazine + HCO3- = 2 ADP + phosphate + N-amino carbamoyl phosphate
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (18 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
N2 + 4 reduced ferredoxin = hydrazine + 4 oxidized ferredoxin
show the reaction diagram
-
L-glutamylhydrazine + methylamine = gamma-L-glutamylmethylamide + hydrazine
show the reaction diagram
-
(gamma-L-glutamyl)hydrazine + H2O = L-glutamate + hydrazine
show the reaction diagram
-
L-leucinhydrazide + H2O = L-leucine + H2NNH2
show the reaction diagram
-
phenylacetic hydrazide + H2O = phenylacetate + hydrazine
show the reaction diagram
-

Inhibitor in Enzyme-catalyzed Reactions (56 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
inhibitory at 100 mM
-
1 mM, 41% inhibition
-
77% residual activity at 1 mM
-
5 mM, 45% residual activity
-
uncompetitive; uncompetitive inhibition, inhibition constant: 0.3 mM
-
and derivatives
-
1-3 mM
-
1-3 mM
-
protonated and neutral form, compete with the attacking water molecule for the binding site E268, inhibition mechanism
-
1 mM, 28% residual activity
-
complete inhibition at 1 mM
-
10 mM, 95% inhibition
-
1 mM, complete inhibition
-
competes strongly with hydroxylamine. Addition of 0.015 mM, 0.035 mM, and 0.35 mM results in 15%, 50%, and 85% inhibition, respectively
-
inactivates wild-type hcAMPP and R535A mutant enzymes
-
1 mM
-
25 mM, complete inhibition
-
1 mM, 82% inhibition
-

3D Structure of Enzyme-Ligand-Complex (PDB) (1 result)

EC NUMBER
ENZYME 3D STRUCTURE

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (5 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
4.9
-
37°C, pH not specified in the publication

KM Value (10 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.054
-
37°C, pH not specified in the publication

Ki Value (4 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.35
-
-

References & Links

Links to other databases for hydrazine

ChEBI
PubChem
ChEBI
PubChem