β-sheets are an assembly of strands, often bringing together parts of the protein which are separated along the backbone. As such, β-sheets are an element of tertiary structure. Parallel βP) and antiparallel (βA) arrangements of strands in a sheet differ in the hydrogen bond pattern ...
R. Granja, and M. R. Ghadiri. 1995. b-Sheet peptide architecture: measuring the relative stability of parallel vs. antiparallel b-sheets. Angew. Chem. Int. Ed. Engl. 34:95-98.K, Kobayashi,,J. R. Granja,,M. R. Ghadiri.β-Sheet Peptide Architecture: Measuring the Relative Stability ...
Recently, it was suggested that parallel β-sheets have a significant dipole moment, in contrast to antiparallel sheets. Ab initio molecular-orbital (MO) calculations on parallel and antiparallel β-strands of tetra(Gly) show that they have very similar charge distributions. Interaction energies ...
Yves Maréchal, in The Hydrogen Bond and the Water Molecule, 2007 Pleated β-sheets They are of two kinds: parallel and antiparallel. An example of a parallel β-sheet is shown in Figure 2.5, where the amino acids of two tetrapeptides adopt values for Φ and Ψ in the vicinity of −...
Earlier studies (Chou et al., 1983a, Chou et al., 1983b, Chou et al., 1985, Chou et al., 1986, Chou et al., 1990; Chou and Carlacci, 1991; Chou and Scheraga, 1982) provide several classical computational works on parallel and antiparallel β-sheets. However, more and more new ...
Conformational and geometrical properties of β-sheets in proteins: III. Isotropically stressed configurations This paper summarizes and contrasts the geometrical and conformational properties of parallel and antiparallel 尾-sheets. In either case, it is demonstrated that the geometrical surfaces formed by ...
Increasing the Amphiphilicity of an Amyloidogenic Peptide Changes the β-Sheet Structure in the Fibrils from Antiparallel to Parallel 来自 掌桥科研 喜欢 0 阅读量: 14 作者:DJ Gordon,JJ Balbach,R Tycko,SC Meredith DOI: 10.1016/s0006-3495(04)74119-3 年份: 2004 ...
Kobayashi K, Granja JR, Ghadiri MR (1995) b-sheet peptide architecture: Measuring the relative stability of parallel vs antiparallel b-sheets. Angew Chem Int Ed Engl 34:95-98K, Kobayashi,,J. R. Granja,,M. R. Ghadiri.β-Sheet Peptide Architecture: Measuring the Relative Stability of ...
Amide I peaks due to the presence of parallel and antiparallel {dollar}beta{dollar}-sheets dominate the IR spectra in this region. FTIR studies on the monomers showed that the rigid phenoxathiin diacid template is required for parallel {dollar}beta{dollar}-sheet formation. The hybrid materials ...
The calculations suggest that the peptide exhibits a remarkable tendency to form both parallel and antiparallel β-sheets. The data show that GNNQQNY preference for parallel or antiparallel β-sheets is governed by a subtle balance of factors including assemblies’ size, sidechain–sidechain ...