PubMed=7973727; DOI=10.1126/science.7973727
Smith M.L., Chen I.T., Zhan Q., Bae I., Chen C.-Y., Gilmer T.M., Kastan M.B., O'Connor P.M., Fornace A.J. Jr.
Interaction of the p53-regulated protein Gadd45 with proliferating cell nuclear antigen.
Science 266:1376-1380(1994)