>2xnuD (D:) observed residues (from ATOM records)
qanlmrlksdlfnrspmypgptkddpltvtlgftlqdivkvdsstnevdlvyyeqqrwkl
nslmwdpneygnitdfrtsaadiwtpditaysstrpvqvlspqiavvthdgsvmfipaqr
lsfmcdptgvdseegvtcavkfgswvysgfeidlktdtdqvdlssyyasskyeilsatqt
rqvqhysccpepyidvnlvvkfrerr