Human and plant proliferating-cell nuclear antigen have a highly conserved binding site for the p53-inducible gene product p21WAF1
European journal of biochemistry (1996) - Comments
pubmed: 8647134  doi: 10.1111/j.1432-1033.1996.0854p.x  issn: 0014-2956  issn: 1432-1033 

Kathryn L. Ball, David P. Lane