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Ligand histone

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Basic Ligand Information

Molecular Structure
Picture of histone (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
Molfile
C43H80N16O13R2
histone
Synonyms:
(histone)-arginine, histone-arginine, histone L-lysine, Histone protein H3, Histones, substrate histone, [histone]-arginine

Related pathways

Pathway Source
Pathways


Show all pahtways known for Show all BRENDA pathways known for histone

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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histone + NAD+ = Nomega-[(2'-phospho-ADP)-D-ribosyl]-histone-L-arginine + nicotinamide + H+
show the reaction diagram
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In Vivo Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
N-acetyl-lysine-histone + H2O = acetate + histone
show the reaction diagram
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Substrate in Enzyme-catalyzed Reactions (35 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine
show the reaction diagram
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acetyl-CoA + histone = CoA + N-acetylhistone
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acetyl-CoA + histone = CoA + ?
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ATP + histone = ADP + phosphorylated histone
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ATP + histone = ADP + phosphorylated histone
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ATP + histone = ADP + phosphorylated histone
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ATP + histone = ADP + phosphorylated histone
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ATP + histone = ADP + phosphorylated histone
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ATP + histone = ADP + phosphohistone
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ATP + histone = ADP + phosphorylated histone
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histone + H2O = ?
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histone + H2O = histone + phosphate
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histone + H2O = ?
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histone + H2O = ?
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histone + H2O = ?
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histones + H2O = hydrolyzed histones
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histone + H2O = ?
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histone protein H3 + H2O = ?
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Product in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
N6-methyl-L-lysyl-histone + O2 + H2O = histone + formaldehyde + H2O2
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methylated histones + H2O = histones + methanol
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phosphotyrosyl histone + H2O = histone + phosphate
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phosphohistone + H2O = histone + phosphate
show the reaction diagram
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Activator in Enzyme-catalyzed Reactions (17 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
activation
-
activation
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increases activity in absence of salt
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slight activation
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stimulates
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stimulates, optimum concentration: 0.5 mg/ml
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stimulates, optimum concentration: 0.5 mg/ml
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PLC d1 and PLC d3
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Inhibitor in Enzyme-catalyzed Reactions (13 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
reverse reaction, strong, activates forward reaction in the presence of phosphate
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competitive when glycogen synthase D is the substrate, increases the Km-value for glycogen synthase D 4fold, but shows mixed type inhibition when phosphorylase a acts as substrate with an 1.4fold increase of Km
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Enzyme Kinetic Parameters

kcat Value (Turnover Number) (8 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
3.3
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-

KM Value (9 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.73
-
pH 7.0, 22°C, catalytic subunit
0.005
-
-
0.046
-
-

References & Links

Links to other databases for histone

EXTERNAL LINKS