>2ptfA (A:) observed residues (from ATOM records) veythfkdlqalemergrlyetivvtwddsmvgnaapigvlctgddtvtlylyqgtrtve nvlnngrftvnvtldpliftdstlgdleedmfshyrdflhlrgadafftaevvsvkklvk rdreselhvvkaragdvmraesfrmalnrgiyaviesliaytraplvlreriaemnrvar kvggprekeamrriiqales