1838
The potential biological significance of the identified structural motif shared by the human CCR5 , CCR3 , CCR2B and other GPCRs is discussed .
 GENE: human CCR5; GENE: CCR3; GENE: CCR2B; GENE: GPCRs
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: human CCR5; GENE: CCR3; GENE: CCR2B; GENE: GPCRs