2637
The open reading frames of rbsD , rbsA , and rbsC encode proteins of 139 , 501 , and 321 amino acid residues , respectively .
 rbsD, rbsA, rbsC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 rbsD, rbsA, rbsC