1j5k A -1.00 BS01 dna B 0 A25 G26 S27 I29 G30 K31 G32 G33 R40 I47 K48 I49 R59 A16 G17 S18 I20 G21 K22 G23 G24 R31 I38 K39 I40 R50 ? 0003676,0003723 Kd=3uM P61978 12093748 105 ~ 109 GGPIITTQVTIPKDLAGSIIGKGGQRIKQIRHESGASIKIDEPLEGSEDRIITITGTQDQIQNAQYLLQNSVKQYS