3i9g H 1.9 BS01 S1P L 1 T33 I56 Y98 G99 S100 W100C T33 I57 Y102 G103 S104 W107 -logKd/Ki=8.96, Kd=1.1nM 19815502 401 EVQLVQSGAEVKKPGESLKISCQSFGYIFIDHTIHWMRQMPGQGLEWMGAISPRHDITKYNEMFRGQVTISADKSSSTAYLQWSSLKASDTAMYFCARGGFYGSTIWFDFWGQGTMVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPK