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Information on EC 2.1.1.372 - [histone H4]-lysine20 N-trimethyltransferase

for references in articles please use BRENDA:EC2.1.1.372

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IUBMB Comments

The enzyme, characterized from the fission yeast Schizosaccharomyces pombe, catalyses three successive methylations of the L-lysine-20 residue of histone H4 (H4K20), forming the trimethylated form. The methylation of this site is apparently not involved in the regulation of gene expression or heterochromatin function but participates in DNA damage response. cf. EC 2.1.1.361, [histone H4]-lysine20 N-methyltransferase, and EC 2.1.1.362, [histone H4]-N-methyl-L-lysine20 N-methyltransferase.

The expected taxonomic range for this enzyme is: Eukaryota, Bacteria

Synonyms
NSD3, SET9, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
3 S-adenosyl-L-methionine + a [histone H4]-L-lysine20 = 3 S-adenosyl-L-homocysteine + a [histone H4]-N6,N6,N6-trimethyl-L-lysine20
show the reaction diagram
overall reaction
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S-adenosyl-L-methionine + a [histone H4]-L-lysine20 = S-adenosyl-L-homocysteine + a [histone H4]-N6-methyl-L-lysine20
show the reaction diagram
(1a)
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S-adenosyl-L-methionine + a [histone H4]-N6,N6-dimethyl-L-lysine20 = S-adenosyl-L-homocysteine + a [histone H4]-N6,N6,N6-trimethyl-L-lysine20
show the reaction diagram
(1c)
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S-adenosyl-L-methionine + a [histone H4]-N6-methyl-L-lysine20 = S-adenosyl-L-homocysteine + a [histone H4]-N6,N6-dimethyl-L-lysine20
show the reaction diagram
(1b)
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PATHWAY SOURCE
PATHWAYS
Highest Expressing Human Cell Lines
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