A four-subunit DNA polymerase ζ complex containing Pol δ accessory subunits is essential for PCNA-mediated mutagenesis.

Makarova, A.V., Stodola, J.L. and Burgers, P.M.
A four-subunit DNA polymerase ζ complex containing Pol δ accessory subunits is essential for PCNA-mediated mutagenesis.
Nucleic Acids Res. 40:11618-11626 (2012). (Abstract)