17602
The most frequently used procedure to analyze those processes is to fuse the protein of interest to a fluorescent protein such as GFP ( green fluorescent protein ) - a technique that is prone to impair normal protein function and subcellular localization .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None