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: Synthesis and structure-activity relationships of indazole arylsulfonamides as allosteric CC-chemokine receptor 4 (CCR4) antagonists.

SOLUTION: CC-chemokine receptor 4

PROBLEM: Aberrant activation of M phase proteins by cell proliferation-evoking carcinogens after 28-day administration in rats.

SOLUTION: M phase proteins

PROBLEM: Brugada syndrome without mutation of the cardiac sodium channel gene in a Taiwanese patient.

SOLUTION:
cardiac sodium channel