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.

[Q]: Benzenesulfonamides: a unique class of chemokine receptor type 4 inhibitors.
[A]: chemokine receptor type 4

[Q]: The effect of vitamin B6 deficiency on alanine: glyoxylate aminotransferase isoenzymes in rat liver.
[A]: alanine: glyoxylate aminotransferase

[Q]: Design, Synthesis and Biological Evaluation of Aminoalkylindole Derivatives as Cannabinoid Receptor Ligands with Potential for Treatment of Alcohol Abuse.
[A]:
Cannabinoid Receptor