>6igsB (B:) observed residues (from ATOM records)
tysaentevyitsqqleqavtrlaeqinqdysgqqvtlvcvlkgsfmffadlvrklridl
rtqfitasstvtltetslkeeyvkdkniiiiedivdtghtyhkliegigkynpktlkfat
llfkparlerdvkldyvcfeiedkfivgygldfdekyrelpyiglik