Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1YU6
OvomucoidSubtilisin CarlsbergCALCIUM ION
crystal structuresubtilisincarlsbergcomplex
https://www.semanticscholar.org/topic/Subtilisin-BPN%27/464764
semantic scholarsubtilisinbpn
https://www.ncbi.nlm.nih.gov/Structure/pdb/1OYV
Subtilisin CarlsbergWound-induced proteinase inhibitor-IICALCIUM ION
crystal structuretomatoinhibitoriiternary