The study of the interactions between proteins and other components of a cell(noun)
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Use "interactomics" in a sentence
"More on the buzz department, the MIT technology reviews elected comparative interactomics one of 10 “emerging technologies” of the year."
"Just out of curiosity, I think the first time the buzz words "comparative interactomics" were used in a journal was in a news and views by Uetz and Pankratz in 2004."