1lr8 A 2.1 BS01 IHS A 1 N80 K81 R86 N17 K18 R23 ? Kd=10nM P21674 12867435 30 ETCENVDCGPGKKCRMNKKNKPRCVCAPDCSNITWKGPVCGLDGKTYRNECALLKARCKEQPELEVQYQGKCK