4xy8 A 1.7 BS01 43U A 1 F44 F47 V49 I53 N100 Y106 F23 F26 V28 I32 N79 Y85 ? Kd=397nM -logKd/Ki=6.40, Kd=397nM Q9H8M2 25703523 201 STPIQQLLEHFLRQLQRKDPHGFFAFPVTDAIAPGYSMIIKHPMDFGTMKDKIVANEYKSVTEFKADFKLMCDNAMTYNRPDTVYYKLAKKILHAGFKMMSKERLLALKRSMS