>2lt9A (A:) observed residues (from ATOM records) hagiftfecdtihvsesigvmevkvlrtsgargtvivpfrtvegtakgggedfedaygel efkndetvktirvkivdeeeyerqenffialgepkwmergisevtdrkltveeeeakria emgkpvlgehpkleviieesyefkstvd