4gs9 A 1.72 BS01 0XB A 1 H248 M252 A277 Y281 S292 Y307 M309 T321 N341 H13 M17 A42 Y46 S57 Y72 M74 T86 N100 ? Kd=2.2uM Kd=2200nM Q99814 23363003 401 FKGLDSKTFLSEHSMDMKFTYCDDRITELIGYHPEELLGRSAYEFYHALDSENMTKSHQNLCTKGQVVSGQYRMLAKHGGYVWLETQGTVIYPQCIMCVNYVLSEIE