>4qnbA (A:) observed residues (from ATOM records)
pivqnlqgqmvhqcisprtlnawvkvveekafspevipmfsalscgatpqdlntmlntvg
ghqaamqmlketineeaaewdrlhpvhagpiapgqmreprgsdiagttstlqeqigwmth
nppipvgeiykrwiilglnkivrmysptsildirqgpkepfrdyvdrfyktlraeqasqe
vtetllvqnanpdcktilkalgpgatleemmtacq