Hemoglobin: structure, function and allostery

MH Ahmed, MS Ghatge, MK Safo - Vertebrate and invertebrate respiratory …, 2020 - Springer
… or exogenous ligands or effectors affect Hb allostery. … Hb \( \zeta_{2} \beta_{2}^{s} \) inhibits
polymerization of deoxygenated … chloride ions are found in the larger T structure central water

Chloride Ions Stabilize Human Adult Hemoglobin in the T-State, Competing with Allosteric Interaction of Oxygen Molecules

I Kurisaki, Y Takahashi, Y Kitamura… - The Journal of Physical …, 2021 - ACS Publications
effect of solvated O 2 supports our earlier observation for the allosteric regulation of hemoglobin
that such ions are essential and water molecules around the ions may be unimportant for …

Design, Synthesis, and Evaluation of Allosteric Effectors for Hemoglobin

NA Enakaya, A Jefferson… - Accounts of Chemical …, 2023 - ACS Publications
allosteric effectors can be used to decrease polymerization by … are tied together through
water-mediated hydrogen bonds. … to determine the effect of the synthesized allosteric effectors on …

Modulating hemoglobin allostery for treatment of sickle cell disease: current progress and intellectual property

PP Pagare, A Rastegar, O Abdulmalik… - Expert opinion on …, 2022 - Taylor & Francis
… the middle of the central water cavity of liganded Hb structure (… of fetal hemoglobin (HbF) to
prevent polymerization of HbS … effects are directly mitigated by inhibiting HbS polymerization. …

Allosteric control of hemoglobin S fiber formation by oxygen and its relation to the pathophysiology of sickle cell disease

ER Henry, T Cellmer… - Proceedings of the …, 2020 - National Acad Sciences
… We show that control of polymerization by oxygen at … cause the loss of potassium ions and
water that result in red cells … did not include the effect of total hemoglobin concentration on the …

Evaluating sheep hemoglobins with MD simulations as an animal model for sickle cell disease

CE Kuczynski, CD Porada, A Atala, SS Cho… - Scientific Reports, 2024 - nature.com
… β subunit of hemoglobin (Hb), promoting Hb polymerization and … α chains and largely driving
the allosteric transition, and a … molecules and an additional 214 sodium and chloride ions, …

Sickle cell hemoglobin

AK Mandal, A Mitra, R Das - … Proteins, Lipoproteins and other Body Fluid …, 2020 - Springer
… level interactions in the HbS polymer that provides its stability, … (2,3-DPG), an allosteric
regulator. p 50 of HbA in presence of … caused by the loss of K + , Cl − ions and water. Two major …

New insights into the allosteric effects of CO2 and bicarbonate on crocodilian hemoglobin

NM Bautista, H Malte, C Natarajan… - Journal of …, 2021 - journals.biologists.com
… CO 2 also exerts an indirect allosteric effect on Hb–O 2 … , CO 2 reacts with water to form
bicarbonate ions and protons, a … ions or organic phosphates to separate the allosteric effects of …

Cefmetazole sodium as an allosteric effector that regulates the oxygen supply efficiency of adult hemoglobin

P Shu, G You, W Li, Y Chen, Z Chu, D Qin… - Journal of …, 2023 - Taylor & Francis
… oxygen affinity and prevent the polymerization of HbS. In 2019… effects on normal hemoglobin.
Thus, the further research of … to relax the hydrogens, water molecules, and salt ions. Then, …

A study of the molecular interactions of hemoglobin with diverse classes of therapeutic agents

C Zagrean-Tuza, I Igescu, A Lupan… - Inorganica Chimica …, 2024 - Elsevier
… various mechanisms that include allosteric effects, coordination … with 50 % polymerized bovine
hemoglobin; methemoglobin … cells change their shape and ion channels in the membrane …