>3r3dB (B:) observed residues (from ATOM records)
ggnlpdvashypvayeqtldgtvgfvidemtperatasvevtdtlrqrwglvhggaycal
aemlaseatvavvhekgmmavgqsnhtsffrpvkeghvraeavrihagsttwfwdvslrd
dagrlcavssmsiavrprrd