>1cknB (B:) observed residues (from ATOM records)
nitteravltlnglqiklhkvvgesrddivakmkdlamddhkfprlpgpnpvsierkdfe
klkqnkyvvsektdgirfmmfftrvfgfkvctiidramtvyllpfkniprvlfqgsifdg
elcvdivekkfafvlfdavvvsgvtvsqmdlasrffamkrslkefknvpedpailrykew
iplehptiikdhlkkanaiyhtdgliimsvdepviygrnfnlfklkpgthhtidfiimse
dgtigifdpnlrknvpvgkldgyynkgsivecgfadgtwkyiqgrsdknqandrltyekt
llnieenitidelldlf