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Overall structure superposition of the hPDCL2 Trx-fold domain (green) with (a) hTrx1 (PDB code 1aiu; red) and (b) the Trx-fold domain of rPdc (PDB code 2trc; magenta). The secondary-structure elements are labelled sequentially in (a). The figures were prepared using PyMOL (DeLano, 2002 ▶).
