>2chpD (D:) observed residues (from ATOM records) nqtlvenslntqlsnwfllysklhrfhwyvkgphfftlhekfeelydhaaetvdtiaerl laiggqpvatvkeytehasitdggnetsasemvqalvndykqisseskfviglaeenqdn atadlfvglieevekqvwmlssylg