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.
SDS-PAGE (A) and fibrin zymography (B) of protein samples at different purification stages. Lane M, size marker (Dokdo-Mark™); lanes 1~3: sample after 80% ammonium sulfate precipitation (1), sample after CM-Sephadex purification (2), sample after Phenyl Sepharose 6-FF purification (3).
