1KFU: Crystal Structure Of Human M-Calpain Form II
reference: The crystal structure of calcium-free human m-calpain suggests an electrostatic switch mechanism for activation by calcium., Strobl S, Fernandez-Catalan C, Braun M, Huber R, Masumoto H, Nakagawa K, Irie A, Sorimachi H, Bourenkow G, Bartunik H, Suzuki K, Bode W, Proc Natl Acad Sci U S A 2000 Jan 18;97(2):588-92. PMID: 10639123

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).