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.

Q:  Multiple attempts aimed at disruption of the chromosomal fabG gene were unsuccessful .

A: chromosomal fabG gene
****
Q:  These results provide strong evidence that conserved interhelical packing interactions in the gp41 core are important determinants of HIV - 1 entry and its inhibition .

A: gp41 core
****
Q:  Consistent with this observation , introduction of Smad sites into a TGFbeta - insensitive LEF1 / TCF target gene confers cooperative TGFbeta and Wnt responsiveness to the promoter .

A:
Smad sites
****