>2a5fA (A:) observed residues (from ATOM records)
kemrilmlgldaagkttilyklklgqsvttiptvgfnvetvtyknvkfnvwdvggqdkir
plwrhyytgtqglifvvdcadrdridearqelhriindremrdaiilifankqdlpdamk
pheiqeklgltrirdrnwyvqpscatsgdglyegltwltsny