29413
Specific polypeptide toxins targeting ASIC channels have been isolated from the venoms of spider ( PcTx1 ) , sea anemone ( APETx2 ) and snakes ( MitTx and mambalgins ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None