>2cxxC (C:) observed residues (from ATOM records)
atiifagrsnvgkstliyrltgkkvrgvtrkiieiewknhkiidmpgfgfmmglpkevqe
rikdeivhfiednaknidvavlvvdgkaapeiikrwekrgeipidvefyqflreldipti
vavnkldkiknvqevinflaekfevplseidkvfipisakfgdnierlknrifevirer