4xic A 2.69 BS01 dna B 0 K2 R5 Y25 R31 Q50 R53 M54 K57 K1 R4 Y24 R30 Q49 R52 M53 K56 ? 0000981,0003677,0006355 Kd=2.9nM P02833 26331260 0 ~ 14 KRGRQTYTRYQTLELEKEFHFNRYLTRRRRIEIAHALSLTERQIKIWFQNRRMKWKKEN 4xic A 2.69 BS02 dna C 0 R3 R5 Q6 Y8 R43 I47 N51 R2 R4 Q5 Y7 R42 I46 N50 ? 0000981,0003677,0006355 Kd=2.9nM P02833 26331260 23 ~ 37 KRGRQTYTRYQTLELEKEFHFNRYLTRRRRIEIAHALSLTERQIKIWFQNRRMKWKKEN