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Levinthal's paradox is a thought experiment in the field of computational protein structure prediction; protein folding seeks a stable energy configuration. An algorithmic search through all possible conformations to identify the minimum energy configuration (the native state) would take an immense duration; however in reality protein folding happens very quickly, even in the case of the most ...
After earning his doctorate in biochemistry, Lehninger held various faculty positions at the University of Wisconsin–Madison and the University of Chicago. In 1952, he went to the Johns Hopkins School of Medicine, assuming the title of DeLamar Professor of the Department of Biological Chemistry. He served in this position until 1978, when he ...
For over 150 years, scientists from all around the world have known about the crystallization of protein molecules. [6]In 1840, Friedrich Ludwig Hünefeld accidentally discovered the formation of crystalline material in samples of earthworm blood held under two glass slides and occasionally observed small plate-like crystals in desiccated swine or human blood samples.
For example, molecules can be displayed as ball-and-stick models, space-filling models, ribbon diagrams, etc. [4] Jmol supports a wide range of chemical file formats, including Protein Data Bank (pdb), Crystallographic Information File (cif), MDL Molfile (mol), and Chemical Markup Language (CML).
The crystallization and structure solution for the ribosome, MW ~ 2.5 MDa, an example of part of the protein synthetic 'machinery' of living cells, was object of the 2009 Nobel Prize in Chemistry awarded to Venkatraman Ramakrishnan, Thomas A. Steitz, and Ada E. Yonath.
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Bioenergetics is a field in biochemistry and cell biology that concerns energy flow through living systems. [1] This is an active area of biological research that includes the study of the transformation of energy in living organisms and the study of thousands of different cellular processes such as cellular respiration and the many other metabolic and enzymatic processes that lead to ...