>4y28A (A:) observed residues (from ATOM records) evkiildrdpiktsfeqwakpghfsrtiakgpdtttwiwnlhadahdfdshtsdleeisr kvfsahfgqlsiiflwlsgmyfhgarfsnyeawlndpthirpsaqvvwpivgqeilngdv gggfrgiqitsgffqiwrasgitselqlyctaigalvfaglmlfagwfhyhkaapklawf qdvesmlnhhlagllglgslswaghqvhvslpinqflnagvdpkeiplphefilnrdlla qlypsfaegatpfftlnwskyadfltfrggldpltgglwltdiahhhlaiailfliaghm yrtnwgighgikdileahkgpftgqghkglyeilttswhaqlsinlamlgsltivvaqhm ysmppypylatdyatqlslfthhmwiggflivgaaahaaifmvrdydpttryndlldrvl rhrdaiishlnwvciflgfhsfglyihndtmsalgrpqdmfsdtaiqlqpvfaqwiqnth alapgttapgatastsltwgggdlvavgnkvallpiplgtadflvhhihaftihvtvlil lkgvlfarssrlipdkanlgfrfpcdgpgrggtcqvsawdhvflglfwmynsisvvifhf swkmqsdvwgtindqgvvthittgnfaqssitingwlrdflwaqasqviqsygsslsayg lfflgahfvwafslmflfsgrgywqeliesivwahnklkvapatqpralsivqgravgvt hyllggiattwafflariiavg