<unk>  (PcTx1) is a spider toxin from the venom of the Trinidad tarantula Psalmopoeus cambridgei. It selectively blocks Acid Sensing Ion Channel 1-a (ASIC1a), which is a proton-gated sodium channel.
Psalmotoxin
Vanillotoxin
Maitotoxin
Chlorotoxin
Dinotoxin
Grammotoxin
Conotoxin
Staphylotoxin