>2ifaA (A:) observed residues (from ATOM records) snfldlqkqrrsiyalgktvdlskaelvaliqnaikqapsafnsqtsralvlfgqdsqdf wnkiayselekvtpaeafagtkaklesfaagvgtillfedqavvrnleenfplyaenfqp wseqahgialyaiwlalaeqnigmsvqhynplvdaqvaekydlptnwkmraqipfgsiea pagekefmadqerfkvfgdl