>sp|B2KTG1|VKT_BUNFA Kunitz-type serine protease inhibitor bungaruskunin OS=Bungarus fasciatus OX=8613 PE=1 SV=1 MSSGGLLLLLGLLTLWTELTPVSSLGGPAYCKLPPEPGPCHEYKHAFYYNPDARECEEFI YGGCKGNKNNFKTRHECHRVCVR