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:  Interestingly , VDR was able to bind to VDREs with high affinity and to fully activate transcription in intact yeast cells in the presence of the retinoid X receptor ( RXR ) .

A: retinoid X receptor
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Q:  Glutathione reductase activities in liver , kidney , lung , and brain were not affected by diet .

A: Glutathione reductase
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Q:  The elevated levels of inositol phosphates resulting from N ( epi ) alpha qQ209L expression were similar to those obtained with carbachol activation of the M1 muscarinic acetylcholine receptor .

A:
acetylcholine receptor
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