8623
The plant protein maintains all the functional domains found in the other proteins , including nuclear localization signal , DNA - binding domain and helicase motifs , suggesting that it might also act as part of the RNA transcription apparatus , as well as nucleotide excision repair in plant cells .
 helicase motifs
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 helicase motifs