>2aiaA (A:) observed residues (from ATOM records) saieriskaahlidmcdiiregnpslrtvaeevtfplsdqeiilgekmmqflkhsqdpvm aekmglrggvglaapqldiskriiavlvpnaydleaimynpkivshsvqdaalgegegcl svdrnvpgyvvrharvtvdyfdkdgekhriklkgynsivvqheidhingimfydrinekd pfavkdgllile