>5xr2E (E:) observed residues (from ATOM records)
nelskqptpdkaednaffpspyslsqytapktdfdgvehkgaykdgkwkvlmiaaeeryv
llengkmfstgnhpvemllplhhlmeagfdvdvatlsgypvklelwamptedeavistyn
klkeklkqpkkladviknelgpdsdylsvfipgghaavvgisesedvqqtldwaldndrf
ivtlchgpaallsaglnreksplegysvcvfpdsldeganieigylpgrlkwlvadlltk
qglkvvnddmtgrtlkdrklltgdsplasnelgklavnemlnaiqnk