1415
Also like the thrombin receptor , PAR2 can be activated by the hexapeptide corresponding to its tethered ligand sequence independent of receptor cleavage .
 GENE: thrombin receptor; GENE: PAR2
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: thrombin receptor; GENE: PAR2