DNA Ligase 1

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** DNA ligase 1 (919 aa, ~102 kDa) is encoded by the human LIG1 gene. This protein plays a role in DNA replication and repair of nicks in double stranded DNA.

**Synonyms:** - DNA Ligase I - EC 6.5.1.1 - LIG1 - Polydeoxyribonucleotide Synthase [ATP] 1