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:  Mammalian homologues of the Polycomb - group gene Enhancer of zeste mediate gene silencing in Drosophila heterochromatin and at S . cerevisiae telomeres .

A: Enhancer of zeste
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Q:  No effect of 4 beta - phorbol 12 - myristate 13 - acetate was observed on the expression of hnRNP H .

A: hnRNP H
****
Q:  We were unable to construct chvI or chvG insertion mutants of R . meliloti , whereas mutants carrying insertions outside of these genes were readily obtained .

A:
chvG insertion mutants
****