All living cells are held together by membranes, which provide a barrier to the transport of nutrients. They are also the communication platform connecting the outside world to the cell’s interior control centers. Thousands of proteins reside in these cell membranes and control the flow of select chemicals, which move across the barrier and mediate the flux of nutrients and information. Little was known about the relationships among membrane proteins and interior proteins. A team of scientists has revealed how membrane proteins were networked with each other and with the signaling proteins inside the cell.
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