1908
Systematic functional analysis of V1a / V2 hybrid receptors showed that the second intracellular loop of the V1a receptor is required and sufficient for efficient coupling to Gq / 11 , whereas the third intracellular loop of the V2 receptor is required and sufficient for coupling to Gs .
 GENE: V1a / V2 hybrid receptors; GENE: V1a receptor; GENE: Gq / 11; GENE: V2 receptor; GENE: Gs
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: V1a / V2 hybrid receptors; GENE: V1a receptor; GENE: Gq / 11; GENE: V2 receptor; GENE: Gs