scholarly journals Ergodicity breaking of iron displacement in heme proteins

Soft Matter ◽  
2017 ◽  
Vol 13 (44) ◽  
pp. 8188-8201 ◽  
Author(s):  
Salman Seyedi ◽  
Dmitry V. Matyushov
Keyword(s):  
Heme Proteins ◽  
Dynamical Transition ◽  
Atomic Displacements ◽  
Ergodicity Breaking

Ergodicity breaking leads to the dynamical transition of atomic displacements in proteins.

Symmetry breaking in convergent-beam diffraction

1989 ◽  
Vol 47 ◽  
pp. 480-481
Author(s):  
D.J. Eaglesham
Keyword(s):  
Symmetry Breaking ◽  
Point Group ◽  
X Ray Diffraction ◽  
Multiple Diffraction ◽  
Space Groups ◽  
Atomic Displacements ◽  
Small Probe ◽  
Phase Sensitive ◽  
Convergent Beam

Convergent Beam Electron Diffraction is now almost routinely used in the determination of the point- and space-groups of crystalline samples. In addition to its small-probe capability, CBED is also postulated to be more sensitive than X-ray diffraction in determining crystal symmetries. Multiple diffraction is phase-sensitive, so that the distinction between centro- and non-centro-symmetric space groups should be trivial in CBED: in addition, the stronger scattering of electrons may give a general increase in sensitivity to small atomic displacements. However, the sensitivity of CBED symmetry to the crystal point group has rarely been quantified, and CBED is also subject to symmetry-breaking due to local strains and inhomogeneities. The purpose of this paper is to classify the various types of symmetry-breaking, present calculations of the sensitivity, and illustrate symmetry-breaking by surface strains.CBED symmetry determinations usually proceed by determining the diffraction group along various zone axes, and hence finding the point group. The diffraction group can be found using either the intensity distribution in the discs

O activation in cytochrome oxidase and in other heme proteins

1992 ◽  
Vol 1101 (2) ◽  
pp. 192-194
Author(s):  
G BABCOCK ◽  
C VAROTSIS ◽  
Y ZHANG
Keyword(s):  
Cytochrome Oxidase ◽  
Heme Proteins

scholarly journals Studies on the Oxidation-Reduction Potentials of Heme Proteins

1965 ◽  
Vol 240 (8) ◽  
pp. 3317-3324
Author(s):  
Maurizio Brunori ◽  
Jeffries Wyman ◽  
Eraldo Antonini ◽  
Alessandro Rossi-Fanelli
Keyword(s):  
Heme Proteins ◽  
Reduction Potentials ◽  
Oxidation Reduction

scholarly journals Ergodicity breaking with long-range cavity-induced quasiperiodic interactions

2021 ◽  
Vol 103 (17) ◽  
Author(s):  
Piotr Kubala ◽  
Piotr Sierant ◽  
Giovanna Morigi ◽  
Jakub Zakrzewski
Keyword(s):  
Long Range ◽  
Ergodicity Breaking
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