>4xheF (F:) observed residues (from ATOM records)
dddklhsqanlmrlksdlfnrspmypgptkddpltvtlgftlqdivkadsstnevdlvyy
eqqrwklnslmwdpneygnitdfrtsaadiwtpditaysstrpvqvlspqiavvthdgsv
mfipaqrlsfmcdptgvdseegatcavkfgswvysgfeidlktdtdqvdlssyyasskye
ilsatqtrqvqhysccpepyidvnlvvkfrerr