4tux A 3.08 BS01 rna C 0 R197 K200 Y204 N207 Y237 S238 R239 R240 A241 L245 K247 R250 H254 R12 K15 Y19 N22 Y51 S52 R53 R54 A55 L59 K61 R64 H68 ? 0003723,0003729 Kd=46.1nM Q9VAN6 25002523 1 ~ 25 SYTEADPAILSRRQKQIDYGKNTAAYERYVEMVPKDERTRHPRTPNKYGKYSRRAFDGLVKIWRKSLHIYD 4tux B 3.08 BS01 rna D 0 R197 Y204 N207 Y237 S238 R239 R240 A241 L245 K247 I248 R250 K251 H254 R12 Y19 N22 Y48 S49 R50 R51 A52 L56 K58 I59 R61 K62 H65 ? 0003723,0003729 Kd=46.1nM Q9VAN6 25002523 1 ~ 26 SYTEADPAILSRRQKQIDYGKNTAAYERYVEMVPKDEHPRTPNKYGKYSRRAFDGLVKIWRKSLHIY