Unlocking the Chemistry of Life

Scientists can easily sequence an entire genome in just a day or two, but sequencing a proteome—all of the proteins encoded by a genome—is a much greater challenge says Ray Deshaies, protein biologist and founder of the PEL.

“One challenge is the amount of protein. If you want to sequence a person’s DNA from a few of their cheek cells, you first amplify—or make copies of—the DNA so that you’ll have a lot of it to analyze. However, there is no such thing as protein amplification,” Deshaies says.

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