Purification of recombinant Tce DNA polymerase by
SDS-PAGE analysis. Electrophoresis was performed on a 10%
polyacrylamide gel. Lane M high-molecular-mass marker, lane
1 sonicated extract of uninduced cells, lane 2 sonicated extract
of induced cells, lane 3 after heat treatment, lane 4 after
purification by HiTrap Heparin HP column chromatography