>4tppB (B:) observed residues (from ATOM records) tlpvrlckeielfhfdigpfenmwpgifvymvhrscgtscfeleklcrfimsvkknyrrv pyhnwkhavtvahcmyailqnnhtlftdlerkglliaclchdldhrgfsnsylqkfdhpl aalyststmeqhhfsqtvsilqleghnifstlssseyeqvleiirkaiiatdlalyfgnr kqleemyqtgslnlnnqshrdrviglmmtacdlcsvtklwpvtkltandiyaefwaegde mkklgiqpipmmdrdkkdevpqgqlgfynavaipcyttltqilpptepllkacrdnlsqw ekvirge