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Johns Hopkins University
New protein maps give insight into the human body
New protein maps give insight into the human body

More than a decade has passed since scientists completed the Human Genome Project, a worldwide effort to decode our DNA. That DNA sequence contains instructions for making all of the proteins that our bodies need to function. Now researchers have cataloged the vast majority of those proteins, creating a dynamic map of the human body called the proteome. The findings, described in a pair of studies published this week in the journal Nature, identify the proteins encoded in roughly 17,000 to 18,000 of the estimated 21,000 human genes — including some proteins made by bits of DNA that were once considered "junk." These rough drafts of a protein map, which are publicly available online,...

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