>2ck3G (G:) observed residues (from ATOM records) atlkditrrlksikniqkitksmkmvaaakyaraerelkparvygvgliigvssdrglcg aihssvaiigvgdkirsiltfkevgrrpptfgdasvialelsiifnrfrsvisykteysl aniiyyslkesttseqsarmtamdnasknasemidkltltfnrtrqavitkelieiisga aa