1057
An examination of the role of the carboxyl terminus in regulating NGFI - B transcriptional activity revealed that , in accordance with other nuclear receptors , mutants lacking portions of the carboxyl terminus had greatly decreased activity .
 NGFI - B
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 NGFI - B