>1kk7Z (Z:) observed residues (from ATOM records)
klsqdeiddlkdvfelfdfwdgrdgavdafklgdvcrclginprnedvfavggthkmgek
slpfeeflpayeglmdceqgtfadymeafktfdregqgfisgaelrhvltalgerlsded
vdeiikltdlqedlegnvkyedfvkkvmagpypd