Proteins- large and small Insulin -a chain of 2i residues b chain of 30 residues -total mol. wt of 5.733 Glutamine synthetase -12 subunits of 468 residues each -total mol wt. of 600.000 Connectin proteins(肌联蛋白)-apha-Mw 2. 8 million beta connectin -mw of 2.1 million with a length of 1000 nm -it can stretch to 3000 nm!Proteins - Large and Small • Insulin - A chain of 21 residues, B chain of 30 residues -total mol. wt. of 5,733 • Glutamine synthetase - 12 subunits of 468 residues each - total mol. wt. of 600,000 • Connectin proteins(肌联蛋白）- alpha - MW 2.8 million! • beta connectin - MW of 2.1 million, with a length of 1000 nm -it can stretch to 3000 nm!