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.
Electron microscopic images of polymerized unphosphorylated and pY53-actin. (A) Filaments of unphosphorylated actin. (B) Short bars of polymerized pY53-actin. (C) Mixture of short bars and filaments of pY53-actin. (D) Same sample of pY53-actin as in C, but with the addition of myosin S1. Insets in A and B are enlarged 2-fold.
