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.
Purification of recombinant early secreted antigen target 6 (rESAT6) protein as determined by sodium dodecyl sulphate-polyacrylamide gel elecrtophoresis electrophoresis. Lane 1, molecular weight protein standards (Sigma). Lane 2, the purified rESAT6 protein. Lane 3, Escherichia coli extracts before isopropyl-b-D-thiogalactopyranoside induction. Lane 4, E. coli extracts 4 h after induction. The gel was subjected to electrophoresis followed by Coomassie blue staining.
