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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: J Inorg Biochem. 2012 Jun 2;115:50–56. doi: 10.1016/j.jinorgbio.2012.05.012

Fig. 2.

Fig. 2

Cartoon representation of the mutated residues Q109C, K97C, Q397C and L407C (red) in the series of hybrid enzymes adapted from the K97C-1 crystal structure (PDB ID: 3NPL). The estimated distances from the Cβ carbon of the side chain residue to the Fe center are indicated.