>1u99A (A:) observed residues (from ATOM records) kqkalaaalgqiekqfgkgsimrlgedrsmdvetistgslsldialgagglpmgriveiy gpessgkttltlqviaaaqregktcafidaehaldpiyarklgvdidnllcsqpdtgeqa leicdalarsgavdvivvdsvaaltpkaeieglaarmmsqamrklagnlkqsntllifin qttggnalkfyasvrldirrigavkegenvvgsetrvkvvknkiaapfkqaefqilygeg infygelvdlgvkekliekagawysykgekigqgkanatawlkdnpetakeiekkvrell l