2CAL:
reference: Atomic resolution crystal structures, EXAFS, and quantum chemical studies of rusticyanin and its two mutants provide insight into its unusual properties., Barrett ML, Harvey I, Sundararajan M, Surendran R, Hall JF, Ellis MJ, Hough MA, Strange RW, Hillier IH, Hasnain SS, Biochemistry. 2006 Mar 7;45(9):2927-39. PMID: 16503647

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