Biochemistry: Move over Michaelis-Menten!

Researchers challenge one of the cornerstones of biochemistry, the Michaelis-Menten equation. They show that many enzymes in signalling pathways are independent of substrate concentration, because the substrate is physically connected to the enzyme. With these results, it may one day be possible to develop drugs that not only target the enzyme, but also affect how it is connected to its substrate.

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