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]: 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 .
[EX A]: mature cathepsin S

[EX Q]: Radioimmunoassay of plasma gonadotropins ; problems of specificity
[EX A]: plasma gonadotropins

[EX Q]: However , ADAR1 and the related deaminase ADAR2 showed significant expression in all regions of the brain examined , including cortex , hippocampus , olfactory bulb , and striatum , where the 5 - HT2CR pre - mRNA was extensively edited .
[EX A]:
deaminase ADAR2