1I6D:
reference: Solution structure and dynamics of the functional domain of Paracoccus denitrificans cytochrome c(552) in both redox states., Reincke B, Perez C, Pristovsek P, Lucke C, Ludwig C, Lohr F, Rogov VV, Ludwig B, Ruterjans H, Biochemistry 2001 Oct 16;40(41):12312-20. PMID: 11591150

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