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Scientists Discover There Are 42 Million Proteins in a Cell at Any Given Time 3/11/18 Second Nexus


senior member
Concord, NH
"Surprisingly, the predicted number of genes fell short from the predicted number by more than two thirds, which meant that a lot of the diversity of human traits was on the protein level.

Thus, the focus shifted to figuring out the identities and functions of all the proteins in human cells, the human “proteome.”

Proteins are responsible for all life activities inside of a cell, and knowing how many proteins are present at a given time provides insightful information into the relative “health” of a cell.

For example, if a cell becomes infected with a virus, unique proteins designed to fight the infection will have their levels increased and knowing which proteins are elevated hints at their natural function. The identification of these proteins allows scientists and doctors to design new therapies."