>3nftA (A:) observed residues (from ATOM records)
amtdddlraagvdrrvpeqklgaaidefaslrlpdridgrfvdgrranltvfddarvavr
gharaqrnllerletellgggiqpdpilqglvdvigqgksdidayativegltkyfqsva
dvmsklqdyisakddknmkidggkikaliqqvidhlptmqlpkgadiarwrkelgdavsi
sdsgvvtinpdklikmrdslppdgtvwdtaryqawntafsgqkdniqndvqtlvekyshq
nsnfdnlvkvlsgaistltdta