11099
However , it is not known whether the recently identified isoforms Vav2 and Vav3 , which are broadly expressed , can couple with similar classes of receptors , nor is it known whether all Vav isoforms possess identical functional activities .
 GENE: Vav2; GENE: Vav3; GENE: Vav isoforms
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Vav2, Vav3, Vav isoforms 
Answer:
 GENE: Vav2; GENE: Vav3; GENE: Vav isoforms