4BCZ: Monomeric Human Cu,Zn Superoxide Dismutase, Loops Iv And Vii Apo Form.
reference: Global structural motions from the strain of a single hydrogen bond., Danielsson J, Awad W, Saraboji K, Kurnik M, Lang L, Leinartaite L, Marklund SL, Logan DT, Oliveberg M, Proc Natl Acad Sci U S A. 2013 Mar 5;110(10):3829-34. doi:, 10.1073/pnas.1217306110. Epub 2013 Feb 19. PMID: 23431167

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