2o9l A -1.00 BS01 dna B 0 S26 D27 R43 R50 S57 R59 S26 D27 R43 R50 S57 R59 ? 0001216,0016987 Kd=114nM O66858 17481658 64 ~ 77 HMLTQGELMKLIKEIVENEDKRKPYSDQEIANILKEKGFKVARRTVAKYREMLGIPSSRERRI 2o9l A -1.00 BS02 dna C 0 H1 V41 A42 R44 T45 Y49 H1 V41 A42 R44 T45 Y49 ? 0001216,0016987 Kd=114nM O66858 17481658 78 ~ 91 HMLTQGELMKLIKEIVENEDKRKPYSDQEIANILKEKGFKVARRTVAKYREMLGIPSSRERRI