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 Q]:  Glutathione reductase ( GR ) was purified from the cyanobacterium Anabaena PCC 7120 .
[EX A]: Glutathione reductase

[EX Q]:  Recombinant caspases are typically produced in Escherichia coli expression systems with the attendant problems of solubilization , re - folding and activation of the protease .
[EX A]: Recombinant caspases

[EX Q]:  Plasma prolactin in patients with colorectal cancer .
[EX A]:
Plasma prolactin