Comment on

• Structure of a calpain Ca(2+)-binding domain reveals a novel EF-hand and Ca(2+)-induced conformational changes.

  Blanchard H, Grochulski P, Li Y, Arthur JS, Davies PL, Elce JS, Cygler M. Blanchard H, et al. Nat Struct Biol. 1997 Jul;4(7):532-8. doi: 10.1038/nsb0797-532. Nat Struct Biol. 1997. PMID: 9228945
• Crystal structure of calcium bound domain VI of calpain at 1.9 A resolution and its role in enzyme assembly, regulation, and inhibitor binding.

  Lin GD, Chattopadhyay D, Maki M, Wang KK, Carson M, Jin L, Yuen PW, Takano E, Hatanaka M, DeLucas LJ, Narayana SV. Lin GD, et al. Nat Struct Biol. 1997 Jul;4(7):539-47. doi: 10.1038/nsb0797-539. Nat Struct Biol. 1997. PMID: 9228946