7341
They lack a predicted single stranded ( ss ) DNA binding motif that is unique the large terminase proteins in T4 gp17 , and that has been implicated in recognizing ssDNA regions in replicating and recombining T4DNA destined to be packaged .
 terminase proteins, T4 gp17
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 terminase proteins, T4 gp17