Protein: Multifunctional non-homologous end joining DNA repair protein LigD (NHEJ DNA repair protein D) (Mt-Lig) (NHEJ DNA polymerase) [Includes: DNA repair polymerase (Pol) (Polymerase/primase); 3'-phosphoesterase (3'-ribonuclease/3'-phosphatase) (PE); DNA ligase (Lig) (EC 6.5.1.1) (Polydeoxyribonucleotide synthase [ATP])]