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.

 By sequencing of exonuclease III deletion clones an open reading frame of 405 nucleotides was found coding for a protein of 135 amino acids with a molecular mass of 15 kDa .
exonuclease III

 These data suggest that the secreted , truncated receptor encoded by the 2 . 6 - kb c - erbB transcript can bind to TGF alpha and may play an important growth - regulatory function in vitro .
TGF alpha

 The cause for the increase in plasma ANP levels in the active phase remains to be determined .

plasma ANP