Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/4Y1T
Perforin-1CALCIUM ION
mediated interactionstructuralbasisperforin
https://www.rcsb.org/structure/4Y1S
Structural basis for Ca2+-mediated interaction of the perforin C2 domain with lipid membranes
mediated interactionrcsbpdbstructuralbasis