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.
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Question:  The present report shows that a cis - acting element between - 189 and - 175 bp , which binds thyroid transcription factor - 1 ( TTF - 1 ) , is involved in both activities .

Answer: TTF - 1


Question:  Recombinant propeptides containing mutations of one of the three tryptophan residues were three orders of magnitude less effective as inhibitors of mature cathepsin S than the wild - type propeptide .

Answer: mature cathepsin S


Question:  Both PMP20 gene products contain the carboxyl - terminal sequence AKL , similar to the putative SKL peroxisomal sorting sequence ( Gould , S .

Answer:
PMP20 gene products