div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Functional identity of proliferating cell nuclear antigen and a DNA polymerase-δ auxiliary protein src=https:reader031fdocumentorgreader031viewer2022020523575068771a28ab0f07b049d2html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1987 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Functional identity of proliferating cell nuclear antigen and a DNA polymerase-δ auxiliary protein src=https:reader031fdocumentorgreader031viewer2022020523575068771a28ab0f07b049d2html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© 1987 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Functional identity of proliferating cell nuclear antigen and a DNA polymerase-δ auxiliary protein src=https:reader031fdocumentorgreader031viewer2022020523575068771a28ab0f07b049d2html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divp© 1987 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: Functional identity of proliferating cell nuclear antigen and a DNA polymerase-δ auxiliary protein src=https:reader031fdocumentorgreader031viewer2022020523575068771a28ab0f07b049d2html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divp© 1987 Nature Publishing Grouppdiv