1.14.11.51: DNA N6-methyladenine demethylase
This is an abbreviated version!
For detailed information about DNA N6-methyladenine demethylase, go to the full flat file.
Word Map on EC 1.14.11.51
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1.14.11.51
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dioxygenase
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demethylation
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histone
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2-oxoglutarate-dependent
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abasic
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alkbh7
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eraser
- 1.14.11.51
- dioxygenase
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demethylation
- histone
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2-oxoglutarate-dependent
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abasic
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alkbh7
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eraser
Reaction
Synonyms
6mA DNA demethylase, ALKBH1, DMAD, DNA 6mA demethylase, NMAD, NMAD-1
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Substrates Products
Substrates Products on EC 1.14.11.51 - DNA N6-methyladenine demethylase
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REACTION DIAGRAM
N6-methyladenine in DNA + 2-oxoglutarate + O2
adenine in DNA + formaldehyde + succinate + CO2
additional information
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ALKBH1 prefers bubbled or bulged DNAs as substrate. The middle N6-mA in the 3-nt bulge is efficiently demethylated compared to that in the 3-nt bubble (97% vs. 18% demethylation fraction) and the 1st and 3rd N6-mAs are more resistant to demethylation. N6-mAs deposited in the flexible region of hairpin (DNA stem loop), D-loop and R-loop are efficiently demethylated as in bubble and bulge, while those in cruciform and replication fork are less demethylated. m6rA in RNA hairpin, RNA-RNA bubble and RNA-DNA hybrid bubble can also be demethylated by ALKBH1, as well as 5-methylcytosine at anticodon loop and 1-methyladenosine
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adenine in DNA + formaldehyde + succinate + CO2
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N6-methyladenine in DNA + 2-oxoglutarate + O2
adenine in DNA + formaldehyde + succinate + CO2
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N6-methyladenine in DNA + 2-oxoglutarate + O2
adenine in DNA + formaldehyde + succinate + CO2
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N6-methyladenine in DNA + 2-oxoglutarate + O2
adenine in DNA + formaldehyde + succinate + CO2
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N6-methyladenine in DNA + 2-oxoglutarate + O2
adenine in DNA + formaldehyde + succinate + CO2
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N6-methyladenine in DNA + 2-oxoglutarate + O2
adenine in DNA + formaldehyde + succinate + CO2
the enzyme catalyses oxidative demethylation of DNA N6-methyladenine, a prevalent modification in LINE-1 transposons
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