FIG. 3.
Sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis of FAE-CBDXynZ overexpressed in E. coli. Lane M, low-range protein standards (Bio-Rad Laboratories, Richmond, Calif.), including phosphorylase B (97.4 kDa), serum albumin (66.2), ovalbumin (45 kDa), and carbonic anhydrase (31 kDa); lane 1, E. coli cell extract; lane 2, heat-treated cell extract (Table 3).