In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

 Some CHOP - C / EBP heterodimers apparently bind to alternative DNA sequence and thereby regulate the transcription of other genes .
C / EBP

 These findings also demonstrate that unless excluded by other factors , the C proteins are likely to be located along the length of nascent transcripts .
C proteins

 7 - Nitroindazole ( 7NI ) , a relatively selective neuronal nitric oxide synthase ( nNOS ) inhibitor . was intraperitoneally administered to the guinea pigs 30 minutes before the onset of local anoxia .

nitric oxide synthase