POLD1

(redirected from DNA polymerase subunit delta p125)

POLD1

A 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.