>2iwrA (A:) observed residues (from ATOM records)
smrsipelrlgvlgdarsgksslihrfltgsyqvlekteseqykkemlvdgqthlvlire
eagapdakfsgwadavifvfsledensfqavsrlhgqlsslrgegrgglalalvgtqdri
sassprvvgdararalcadmkrcsyyetcatyglnvdrvfqevaqkvvtlrkqqql