2384
Mutant beta2 - adrenergic receptors with a Tyr - to - Phe substitution at Tyr - 350 do not display agonist - induced desensitization , Src recruitment , or Src activation .
 GENE: beta2 - adrenergic receptors; GENE: Src; GENE: Src
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: beta2 - adrenergic receptors; GENE: Src; GENE: Src