The function of ENSG00000009413 (REV3L, REV3 like, DNA directed polymerase zeta catalytic subunit) is as follows. Catalytic subunit of the DNA polymerase zeta complex, an error-prone polymerase specialized in translesion DNA synthesis (TLS). Lacks an intrinsic 3'-5' exonuclease activity and thus has no proofreading function. .