GRAIN 发表于 2025-3-28 18:08:49
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CD Spectroscopy and the Helix-Coil Transition in Peptides and Polypeptides,d be identified in the diffraction patterns from crystals of the globular proteins myoglobin and hemoglobin, as well as in the classical “α” patterns from fibrous proteins like keratin and synthetic polypeptides, poly(γ-.-glutamate) being the first to show the α pattern (Elliott, 1967).ASTER 发表于 2025-3-29 12:14:22
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Remembrance of Things Past,an intensively at that time. In 1951 L. Pauling and R. B. Corey discovered the α helix and β sheets as components of protein structure (Pauling .., 1951). According to Pauling, he had been model-building with strips of paper just to keep himself busy while in bed in Oxford with a cold. Out of this c突变 发表于 2025-3-29 20:07:29
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Determination of Protein Secondary Structure, It can directly interpret the changes of protein secondary structure, even though the method is empirical. The far-ultraviolet (far-UV) CD specra (below 250 nm) of proteins are extremely sensitive toward protein structure, and the near-UV spectra reflect the contributions of aromatic side chains, dConstituent 发表于 2025-3-30 07:12:38
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