ArticleStructural dynamics (Melville, N.Y.)2016
Ligand and interfacial dynamics in a homodimeric hemoglobin.
Article in Structural dynamics (Melville, N.Y.), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Implications of short time scale dynamics on long time processes.Structural dynamics (Melville, N.Y.) · 2017Review
- Preface to Special Topic on Protein Dynamics: Beyond Static Snapshots in Structural Biology.Structural dynamics (Melville, N.Y.) · 2016Article
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Authors and funding
2 authors.
Funding
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Abstract
The structural dynamics of dimeric hemoglobin (HbI) from Scapharca inaequivalvis in different ligand-binding states is studied from atomistic simulations on the μs time scale. The intermediates are between the fully ligand-bound (R) and ligand-free (T) states. Tertiary structural changes, such as rotation of the side chain of Phe97, breaking of the Lys96-heme salt bridge, and the Fe-Fe separation, are characterized and the water dynamics along the R-T transition is analyzed. All these properties for the intermediates are bracketed by those determined experimentally for the fully ligand-bound and ligand-free proteins, respectively. The dynamics of the two monomers is asymmetric on the 100 ns timescale. Several spontaneous rotations of the Phe97 side chain are observed which suggest a typical time scale of 50-100 ns for this process. Ligand migration pathways include regions between the B/G and C/G helices and, if observed, take place in the 100 ns time scale.
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