10117
The B - oligomer of pertussis toxin deactivates CC chemokine receptor 5 and blocks entry of M - tropic HIV - 1 strains .
 pertussis toxin, CC chemokine receptor 5
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 pertussis toxin, CC chemokine receptor 5