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. 2001 Dec 20;34(1):55–67. doi: 10.1046/j.1365-2184.2001.00196.x

Figure 1.

Figure 1

Fluorescence images of nuclei showing uptake of APC‐NLS. Nuclei from scrape‐ruptured quiescent cells were incubated for 1.5 h in Xenopus egg extracts containing APC conjugated with either the wild‐type nuclear localization signal (NLS) of SV40 T antigen (A) or with a transport‐deficient mutant NLS (B). The field in (B) contained 16 nuclei, visible under bright‐field illumination, or as background fluorescence with a more extended exposure.