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.

Input: Consider Input:  DNA - binding activity of nuclear factor - kappaB was determined by electrophoretic mobility shift assay .

Output: nuclear factor


Input: Consider Input:  These results demonstrate that glucocorticoids inhibit preactivated T cells by down - regulating signal transduction through IL - 2R .

Output: IL - 2R


Input: Consider Input:  This article describes the identification of a putative STAT molecule in the channel catfish ( Ictalurus punctatus ) , the first report of such a molecule in a ' lower ' vertebrate .


Output: putative STAT molecule