>3d5dH (H:) observed residues (from ATOM records)
pkgvsvevapgrvkvkgpkgelevpvspemrvvveegvvrverpsderrhkslhgltrtl
ianavkgvsegyskellikgigyrarlvgraleltvgfshpvvveppegitfevpeptrv
rvsgidkqkvgqvaanirairkpsayhekgiyyagepvr