Contact: Karen Kreeger
karen.kreeger@uphs.upenn.edu
215-349-5658
University of Pennsylvania School of Medicine
Caption: Fibrinogen molecule pulled by probe of the atomic force microscope (yellow disk) stretched 23 nanometers by the uncoiling of three, tightly coiled coils within the molecule.
Credit: John Weisel, Ph.D., University of Pennsylvania School of Medicine; Biophysical Journal
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