>1bif.pdb -CPTLIVMVGLPARGKTYISKKLTRYLNFIGVPTREFNVGQYRRDMVKTYKSFEFFLPDNEEGLKIRKQCALAALNDVRK FLSEEGGHVAVFDATNTTRERRAMIFNFGEQNGYKTFFVESICVDPEVIAANIVQVKLGSPDYVNRDSDEATEDFMRRIE CYENSYESLDEEQDRDLSYIKIMDVGQSYVVNRVADHIQSRIVYYLMNIHVTPR >1k6ma.pdb NSPTMVIMVGLPARGKTYISTKLTRYLNFIGTPTKVFNLGQYRREAV-SYKNYEFFLPDNMEALQIRKQCALAALKDVHN YLSHEEGHVAVFDATNTTRERRSLILQFAKEHGYKVFFIESICNDPGIIAENIRQVKLGSPDYIDCDREKVLEDFLKRIE CYEVNYQPLDEELDSHLSYIKIFDVGTRYMVNRVQDHIQSRTVYYLMNIHVTPR