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 Input:
 Indeed , after a single oral dose , the role of the mu - receptor agonist component of the antinociceptive effect of tramadol appears to be minor , with most of the analgesic effect being attributable to nonopioid properties of the parent compound .

Ex Output:
mu - receptor


Ex Input:
 Nonlethal sec71 - 1 and sec72 - 1 mutations eliminate proteins associated with the Sec63p - BiP complex from S . cerevisiae .

Ex Output:
sec71 - 1


Ex Input:
 In those patients who before transplantation were serological negative for CMV but had received organs from CMV - IgG positive donors , the incidence of the disease was highest .

Ex Output:

CMV - IgG