>1txoA (A:) observed residues (from ATOM records)
lvlryaarsdrglvrannedsvyagarllaladgmgghaagevasqlviaalahldddep
ggdllakldaavragnsaiaaqvemepdlegmgttltailfagnrlglvhigdsrgyllr
dgeltqitkddtfvqtlvdegritpeeahshpqrslimraltgheveptltmrearagdr
yllcsdglsdpvsdetilealqipevaesahrlielalrgggpdnvtvvvadleh