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:  The full - length cDNA was cloned and sequenced , and the inferred amino acid sequence was found to encode a novel protein , which we named cystatin M , with 40 % homology to human family 2 cystatins and similar overall structure .

A: cystatin M
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Q:  Since RIP140 generally down - regulates receptor activity in mammalian cells and specifically down - regulates coactivation mediated by SRC - 1 , we propose a model in which RIP140 indirectly regulates nuclear receptor AF - 2 activity by competition for coactivators such as SRC - 1 .

A: SRC - 1
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Q:  psrA mutants of both Pseudomonas species lost the ability to induce rpoS expression at stationary phase , but they retained the ability to produce quorum - sensing autoinducer molecules .

A:
psrA mutants
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