1SW8:
reference: Experimentally exploring the conformational space sampled by domain reorientation in calmodulin., Bertini I, Del Bianco C, Gelis I, Katsaros N, Luchinat C, Parigi G, Peana M, Provenzani A, Zoroddu MA, Proc Natl Acad Sci U S A 2004 May 4;101(18):6841-6. Epub 2004 Apr 20. PMID: 15100408

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