On the binding free energy and molecular origin of sickle cell hemoglobin aggregation

N Galamba, S Pipolo - The Journal of Physical Chemistry B, 2018 - ACS Publications
Protein aggregation is associated with various diseases, including Alzheimer and Parkinson
as well as sickle cell disease (SCD). From a molecular point of view, protein aggregation …

[HTML][HTML] Conformational Changes in Hemoglobin S (βE6V) Imposed by Mutation of the βGlu7–βLys132 Salt Bridge and Detected by UV Resonance Raman …

LJ Juszczak, C Fablet, V Baudin-Creuza… - Journal of Biological …, 2003 - ASBMB
The impact upon molecular structure of an additional point mutation adjacent to the existing
E6V mutation in sickle cell hemoglobin was probed spectroscopically. The UV resonance …

Macrofiber structure and the dynamics of sickle cell hemoglobin crystallization

MJ Potel, TE Wellems, RJ Vassar, B Deer… - Journal of Molecular …, 1984 - Elsevier
Fibers of deoxyhemoglobin S undergo spontaneous crystallization by a mechanism
involving a variety of intermediate structures. These intermediate structures, in common with …

Micromechanics of isolated sickle cell hemoglobin fibers: bending moduli and persistence lengths

JC Wang, MS Turner, G Agarwal, S Kwong… - Journal of molecular …, 2002 - Elsevier
Pathogenesis in sickle cell disease depends on polymerization of deoxyhemoglobin S into
rod-like fibers, forming gels that rigidify red cells and obstruct the systemic microvasculature …

On the formation and crystallization of sickle hemoglobin macrofibers

WA McDade, R Josephs - Journal of structural biology, 1993 - Elsevier
We have characterized new aspects of macrofiber structure and assembly which provide a
mechanism for macrofiber formation from fibers. After the formation of fibers, HbS forms …

Molecular dynamics of sickle and normal hemoglobins

M Prabhakaran, ME Johnson - Biopolymers: Original Research …, 1993 - Wiley Online Library
Molecular dynamics (MD) simulations have been carried out for 62.5 ps on crystal structures
of deoxy sickle cell hemoglobin (HbS) and normal deoxy hemoglobin (HbA) using the …

Structural analysis of polymers of sickle cell hemoglobin: III. Fibers within fascicles

B Carragher, DA Bluemke, M Becker… - Journal of molecular …, 1988 - Elsevier
We have examined the structure of hemoglobin S fibers, which are associated into large
bundles, or fascicles. Electron micrographs of embedded and cross-sectioned fascicles …

Molecular insights into the irreversible mechanical behavior of sickle hemoglobin

S Yesudasan, SA Douglas, MO Platt… - Journal of …, 2019 - Taylor & Francis
Sickle cell disease is caused by the amino acid substitution of glutamic acid to valine, which
leads to the polymerization of deoxygenated sickle hemoglobin (HbS) into long strands …

Band 3 catalyzes sickle hemoglobin polymerization

MA Rotter, H Chu, PS Low, FA Ferrone - Biophysical chemistry, 2010 - Elsevier
We have measured homogeneous and heterogeneous nucleation rates of sickle
hemoglobin (HbS) in the presence of a strongly binding deletion mutant of the cytoplasmic …

Using linear dichroism to measure the participation of fetal hemoglobin in sickle hemoglobin polymerization

MK Fugate, KC Grasty, PJ Loll, FA Ferrone - Biophysical Journal, 2024 - cell.com
Sickle cell disease is caused by a point mutation which allows sickle hemoglobin (HbS) to
form long fibers which distort blood cells, impeding circulation. HbS and fetal hemoglobin …