A protein - measuring just a few nanometers in size - acts as a molecular switch with a crucial role in determining whether we feel hungry or full. By determining of the protein's 3D structure, researchers were able to visualize the molecular structures of the hormones with which this protein -- melanocortin 4 receptor (MC4R) -- interacts.
from Latest Science News -- ScienceDaily https://ift.tt/3CVPEbv
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