1fao A 1.8 BS01 4IP A 1 K173 G175 G176 L177 V178 T180 R184 Y195 I205 R235 K12 G14 G15 L16 V17 T19 R23 Y34 I44 R74 ? Kd=0.043uM -logKd/Ki=7.37, Kd=0.043uM Q9UN19 10983984 274 PSLGTKEGYLTKQGGLVKTWKTRWFTLHRNELKYFKDQMSPEPIRILDLTECSAVQFDYSQERVNCFCLVFPFRTFYLCAKTGVEADEWIKILRWKLSQI