UMUC-like DNA repair family protein. similar to REV1 (Reversionless 1), damaged DNA binding / magnesium ion binding / nucleotidyltransferase [Arabidopsis thaliana] (TAIR:AT5G44750.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO41929.1); contains InterPro domain UMUC-like DNA-repair protein; (InterPro:IPR001126); contains InterPro domain DNA polymerase eta (InterPro:IPR017061)