>1pn4D (D:) observed residues (from ATOM records) dpvwrfddrdvilynialgattkqlkyvyendsdfqviptfghlitfnsgksqnsfakll rnfnpmlllhgehylkvhswppptegeikttfepiattpkgtnvvivhgsksvdnksgel iysneatyfirncqadnkvyadrpafatnqflapkrapdyqvdvpvsedlaalyrlsgdr nplqidpnfakgakfpkpilhgmctyglsakalidkfgmfneikarftgivfpgetlrvl awkesddtivfqthvvdrgtiainnaaiklvgd