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.
--------
Question: Glutathione reductase ( GR ) was purified from the cyanobacterium Anabaena PCC 7120 .

Answer: Glutathione reductase

Question: This study was undertaken to evaluate the physical and biological characteristics of nebulized interleukin 2 liposomes .

Answer: interleukin 2

Question: On the other hand , NE transport and antagonist ( [ 125I ] RTI - 55 ) binding assays on whole LLC - NET cells treated with tunicamycin reveal a pronounced reduction in NE transport activity and hNET membrane density paralleled by an inability of NET proteins to replenish the higher M ( r ) hNET pool .

Answer:
NET proteins