>1s5gZ (Z:) observed residues (from ATOM records)
pklsqdeiddlkdvfelfdfwdgrdgavdafklgdvcrclginprnedvfavggthkmge
kslpfeeflpayeglmdceqgtfadymeafktfdregqgfisgaelrhvltalgerlsde
dvdeiikltdlqedlegnvkyedfvkkvmagpypd