>1vsaF (F:) observed residues (from ATOM records) lpipvpkgvsvevapgrvkvkgpkgelevpvspemrvvveegvvrverpsderrhkslhg ltrtlianavkgvsegyskellikgigyrarlvgraleltvgfshpvvveppegitfevp eptrvrvsgidkqkvgqvaanirairkpsayhekgiyyagepvrlkpgkagak