>sp|B8XH40|KBX1_BUTOS Potassium channel toxin BuTXK-beta OS=Buthus occitanus israelis MQRNLVVLLLLGMVALSSCGLREKHFQKLVKYAVPESTLRTILQTAVHKLGKTQFGCPAY QGYCDDHCQDIKKEEGFCHGMKCKCGIPMGF