>sp|P17727|TXL1_PHONI Mu-ctenitoxin-Pn1a OS=Phoneutria nigriventer MKLLGIFLVASFAFVLSFGEEMIEGENPLEDQRAELTSCFPVGHECDGDASNCNCCGDDV YCGCGWGRWNCKCKVADQSYAYGICKDKVNCPNRHLWPAKVCKKPCRRNCGG