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]:  Molecular analysis indicated that inactivation of H - 2L expression in nearly every null clone resulted from an apparent deletion or rearrangement of 5 ' - flanking and 5 ' - coding H - 2L sequences , with breakpoints consistently mapping to within a 550 bp GC - rich region between exon 1 and the middle of intron 2 .
[A]: H - 2L


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


[Q]:  By a combination of alternative promoter usage and exon splicing , each ROR gene generates several isoforms that differ only in their amino terminus .
[A]:
ROR gene