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Alpha-ketoglutarate-dependent dioxygenase AlkB

UniProtKB accession:  P05050
Grouped By:  Matching UniProtKB accession
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Polymer Entities matching query 2
Go to UniProtKB:  P05050
UniProtKB description:  Dioxygenase that repairs alkylated DNA and RNA containing 3-methylcytosine or 1-methyladenine by oxidative demethylation. Has highest activity towards 3-methylcytosine. Has lower activity towards alkylated DNA containing ethenoadenine, and no detectable activity towards 1-methylguanine or 3-methylthymine. Accepts double-stranded and single-stranded substrates. Requires molecular oxygen, alpha-ketoglutarate and iron. Provides extensive resistance to alkylating agents such as MMS and DMS (SN2 agents), but not to MMNG and MNU (SN1 agents).
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Organisms
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Protein Domains
CATH Domain
ECOD Domain
PFAM Domain
InterPro Domain


Function
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