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REV7 binding domain found in protein reversionless 3-like (REV3L) and similar proteins REV3L, also called REV3-like, or REV3, or DNA polymerase zeta catalytic subunit (POLZ), is the catalytic subunit of the DNA polymerase zeta complex, an error-prone polymerase specialized in translesion DNA synthesis (TLS). REV3L lacks an intrinsic 3'-5' exonuclease activity and thus has no proofreading function. The model corresponds to a conserved region that is responsible for the binding of REV7.
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