3762
The envelope glycoproteins of Rous sarcoma virus ( RSV ) , gp85 and gp37 , are anchored in the membrane by a 27 - amino acid , hydrophobic domain that lies adjacent to a 22 - amino acid , cytoplasmic domain at the carboxy terminus of gp37 .
 envelope glycoproteins of Rous sarcoma virus ( RSV ), gp85, gp37, gp37
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 envelope glycoproteins of Rous sarcoma virus ( RSV ), gp85, gp37, gp37