TASK DEFINITION: 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.
PROBLEM: Effect of lintitript, a new CCK-A receptor antagonist, on gastric emptying of a solid-liquid meal in humans.

SOLUTION: CCK-A receptor

PROBLEM: The propeptides of VEGF-D determine heparin binding, receptor heterodimerization, and effects on tumor biology.

SOLUTION: VEGF-D

PROBLEM: Use of the norepinephrine transporter as a reporter gene for non-invasive imaging of genetically modified cells.

SOLUTION:
norepinephrine transporter