instruction:
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:
 Paclitaxel caused a rapid and transient increase in c - Jun NH2 - terminal kinase ( JNK ) activity , a proposed mediator of stress activation pathways .
answer:
c - Jun


question:
 Two genes ( ptsI and ptsA ) that encode homologues of the energy coupling Enzyme I of the phosphoenolpyruvate - dependent sugar - transporting phosphotransferase system ( PTS ) have previously been identified on the Escherichia coli chromosome .
answer:
Enzyme I


question:
 The feasibility of creating CR1 / Ig chimeras makes possible a new strategy of targeting complement inhibition by the use of Ig fusion partners having particular antigenic specificities .
answer:

Ig fusion partners