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]:  We used several agents active on signal transduction pathways in cytokine expression , such as the protein kinase C inhibitor staurosporin , antioxidant agents including N - acetyl cysteine ( NAC ) and pyrrolidine dithiocarbamate ( PDTC ) , and p38 mitogen - activated protein kinase ( MAPK ) inhibitor SB203580 .
[EX A]: protein kinase C

[EX Q]:  Therefore , the SART3 antigen and its peptides could be an appropriate molecule for use in specific immunotherapy of the majority of HLA - A24 - positive breast cancer patients
[EX A]: SART3 antigen

[EX Q]:  The peptide also inhibited redistribution of 5 - lipoxygenase from the cytosol to the nuclear membrane of HL - 60 cells stimulated by A23187 .
[EX A]:
5 - lipoxygenase