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The difficult task of providing an atomic-level picture of integrin adhesion is beginning to bear fruit with the determination of the crystal structure of an α-chain sub-domain that has primary ligand-binding epitopes.
Crystal structures of the p50 subunit of transcription factor NF-κB bound to DNA reveal the remarkable way the protein uses loops to recognize DNA and how it presents a surface for interaction with other factors.
The tilt angle of the retinal chromophore of bacteriophodopsin increases by approximately 4° upon isomerization in the M-state, as shown by accurate 2H-NMR measurements of methyl group bond orientations.
A new location for the hormone-binding site of corticosteroid binding globulin is propose based on experimental data, together with a sequence and structural alignment of the serpin family
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