Trypsin
The catalytic triad is in blue. The fold of the protein has 2 barrels composed of beta-strands. The catalytic site is at the interface of the 2 domains.
1ane (PDB) |
Subtilisin The catalytic triad is in blue. The fold of the protein has a parallel beta-sheet in the center with alpha-helices on both sides. The catalytic site is at the C-terminal ends of the beta-sheet.
1sbt (PDB) |