10nh
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Crystal Structure of Apurinic endonuclease (APN1) from Babesia bovis
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Structural highlights
FunctionS6B9Y3_BABBO Plays a role in mitochondrial DNA base excision repair (BER) pathway induced by oxidative stress. Has apurinic/apyrimidinic (AP) endonuclease activity towards double-stranded DNA (dsDNA) with a preference for C as opposite base. Has 3'-phosphatase activity; removes 3'-phosphate from blunt-end, recessed, and gapped DNA templates and thus, removes 3'-blocks for DNA polymerase activity during BER. Lacks 3'-5' exonuclease activity and does not cleave damaged bases by nucleotide incision repair (NIR).[ARBA:ARBA00054483] Contents | ||||||||||||||||||||
This page was last modified 07:09, 11 February 2026.