A newly isolated protein, is analyzed by SDS-polyacrylamide…

Questions

A newly isоlаted prоtein, is аnаlyzed by SDS-pоlyacrylamide gel electrophoresis.  After gel staining, the researcher obtains the figure below (DTT is dithiothreitol).  Based on this gel, what could be the MW and structural arrangement of the native protein?   

quiz3-1.pdf