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.
Molecular size of extracellular PGA from B. licheniformis S 173 as a function of culture age (numbers above lanes represent hours since inoculation). PGA was precipitated from culture supernatant and examined by SDS-PAGE (see text for details).
