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.
Binding of nuclear proteins to the TN promoter Krox element. (A) NIH 3T3, C6, and N2A extracts formed three complexes (complexes 1–3), which are indicated by arrows. (B) Complexes 1 and 2 contain Krox24 and are supershifted (see band labeled supershift) with antibodies to either the N-terminal myc tag or Krox24. Abbreviations for binding components: CD, competitor DNA (μg); NE, nucleus extract (μg); XS, molar excess.
