Sequence of this protein is as follows: MSQEGDYGRW TISSSDESEE EKPKPDKPST SSLLCARQGA ANEPRYTCSE AQKAAHKRKI SPVKFSNTDS VLPPKRQKSG SQEDLGWCLS SSDDELQPEM PQKQAEKVVI KKEKDISAPN DGTAQRTENH GAPACHRLKE EEDEYETSGE GQDIWDMLDK GNPFQFYLTR VSGVKPKYNS GALHIKDILS PLFGTLVSSA QFNYCFDVDW LVKQYPPEFR KKPILLVHGD KREAKAHLHA QAKPYENISL CQAKLDIAFG THHTKMMLLL YEEGLRVVIH TSNLIHADWH QKTQGIWLSP LYPRIADGTH KSGESPTHFK ADLISYLMAY NAPSLKEWID VIHKHDLSET NVYLIGSTPG RFQGSQKDNW GHFRLKKLLK DHASSMPNAE SWPVVGQFSS VGSLGADESK WLCSEFKESM LTLGKESKTP GKSSVPLYLI YPSVENVRTS LEGYPAGGSL PYSIQTAEKQ NWLHSYFHKW SAETSGRSNA MPHIKTYMRP SPDFSKIAWF LVTSANLSKA AWGALEKNGT QLMIRSYELG VLFLPSAFGL DSFKVKQKFF AGSQEPMATF PVPYDLPPEL YGSKDRPWIW NIPYVKAPDT HGNMWVPS
The protein encoded by this gene is involved in repairing stalled topoisomerase I-DNA complexes by catalyzing the hydrolysis of the phosphodiester bond between the tyrosine residue of topoisomerase I and the 3-prime phosphate of DNA. This protein may also remove glycolate from single-stranded DNA containing 3-prime phosphoglycolate, suggesting a role in repair of free-radical mediated DNA double-strand breaks. This gene is a member of the phospholipase D family and contains two PLD phosphodiesterase domains. Mutations in this gene are associated with the disease spinocerebellar ataxia with axonal neuropathy (SCAN1). While several transcript variants may exist for this gene, the full-length natures of only two have been described to date. These two represent the major variants of this gene and encode the same isoform.
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Protein Aliases: Tyr-DNA phosphodiesterase 1; Tyrosyl-DNA phosphodiesterase 1
Gene Aliases: TDP1
UniProt ID: (Human) Q9NUW8
Entrez Gene ID: (Human) 55775
Molecular Function: phosphodiesterase