Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Effect of ssDNA gap size on Chk1 phosphorylation. (A) Names and figures of structures used in B. Dot represents the biotinylated end of the primer. (B) The structures shown were incubated with streptavidin and then added to NPE in the presence of aphidicolin. Samples were analyzed as in Figure 3B.
