POLD1(redirected from polymerase (DNA directed), delta 1, catalytic subunit 125kDa)
POLD1A gene on chromosome 19q13.3 that encodes a member of the DNA polymerase delta complex involved in DNA replication and repair. POLD1 has two enzymatic activities: DNA synthesis (polymerase) and exonucleolytic activity, which degrades single-stranded DNA in the 3' to 5' direction.
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