>4ptwA (A:) observed residues (from ATOM records) iifpedfiwgaatssyqiegafnedgkgesiwdrfshtpgkiengdtgdiacdhyhlyre dielmkeigirsyrfstswprilpegkgrvnqkgldfykrlvdnllkanirpmitlyhwd lpqalqdkggwtnrdtakyfaeyarlmfeefnglvdlwvthnepwvvafeghafgnhapg tkdfktalqvahhlllshgmavdifreedlpgeigitlnltpaypagdsekdvkaaslld dyinawflspvfkgsypeelhhiyeqnlgafttqpgdmdiisrdidflginyysrmvvrh kpgdnlfnaevvkmedrpstemgweiypqglydilvrvnkeytdkplyitengaafddkl teegkihdekrinylgdhfkqaykalkdgvplrgyyvwslmdnfewaygyskrfgliyvd yengnrrflkdsalwyreviekgqv