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Figure 2.
Fig. 2. Out-of-plane displacement of the porphyrin ring
atoms from the porphyrin least-squares plane for MP (blue) and
NMP (pink) bound to antibody 7G12. The porphyrin atoms that are
involved in the same pyrrole ring are connected to give a
pentagon shape. A-D denote the porphyrin pyrroles as in Fig. 1C,
and N denotes the pyrrole nitrogen atoms of the porphyrin
molecule.
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