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]:  The RsmA - mutant , like its parent , produces N - ( 3 - oxohexanoyl ) - L - homoserine lactone ( HSL ) , a starvation / cell density - sensing signal required for extracellular enzyme production .
[EX A]: RsmA - mutant

[EX Q]:  We cloned the BamHI - F fragment from the left end of Ad4 in pUC13 - 1 between the SalI and BamHI sites in order to carry out the structural analysis of the E1A region of Ad4 .
[EX A]: BamHI sites

[EX Q]:  To gain additional insights into this novel apoptotic checkpoint , we have now characterized the mouse survivin locus .
[EX A]:
mouse survivin locus