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 human fibrinogen or IgG3 to S. pyogenes bacteria. 125I-labeled proteins were incubated with indicated strains of bacteria at a concentration of 2 × 109 bacteria/ml. Data are means + standard deviations of at least three independent binding experiments.
