>4frrF (F:) observed residues (from ATOM records)
klhsqanlmrlksdlfnrspmypgptkddpltvtlgftlqdivkadsstnevdlvyyeqq
rwklnslmwdpneygnitdfrtsaadiwtpditaysstrpvqvlspqiavvthdgsvmfi
paqrlsfmcdptgvdseegatcavkfgswvysgfeidlktdtdqvdlssyyasskyeils
atqtrqvqhysccpepyidvnlvvkfrerr