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Structural comparison of T-type lyases. A, overlay of ΦCpeT (green) and Nostoc sp. CpcT (orange) (PDB code 4O4S). Differently sized loops are indicated. B, schematic representation, showing ΦCpeT (green) and Nostoc CpcT between conserved residues (magenta). PCB ligand of CpcT is shown in light orange. C, overlay of the CpcT dimer (only one monomer shown in orange) and the closest ΦCpeT dimer (green and gray). D, electrostatic surfaces of Nostoc sp. CpcT and ΦCpeT.
