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.

[EX Q]:  Activation of the cytotactin promoter by the homeobox - containing gene Evx - 1 .
[EX A]: cytotactin promoter

[EX Q]:  The expected products of the cloned bph genes , except bphA3 , were observed in E . coli in an in vitro transcription - translation system .
[EX A]: bph genes

[EX Q]:  Highly significant similarities were detected between the N - terminal region of P30 and those of GENA [ the product of another unidentified gene ( geneA ) located upstream of the aceEF - lpd operon ] , and GNTR ( a putative transcriptional repressor of the gluconate operon of Bacillus subtilis ) .
[EX A]:
gluconate operon