Ryanodine receptor
Energetics of divalent selectivity in a calcium channel: the ryanodine receptor case study
... A model of the ryanodine receptor (RyR) calcium channel is used to study the energetics of binding selectivity of Ca 2+ vs. monovalent cations. RyR is a calcium-selective channel with a DDDD locus in the ...
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Energetics of divalent selectivity in a calcium channel: the ryanodine receptor case study
... A model of the ryanodine receptor (RyR) calcium channel is used to study the energetics of binding selectivity of Ca 2+ vs. monovalent cations. RyR is a calcium-selective channel with a DDDD locus in the ...
50
Characterization of ryanodine receptor and Ca2+ ATPase isoforms in the thermogenic heater organ of blue marlin (Makaira nigricans)
... The complete 16.3 kb ryanodine receptor has been cloned and sequenced from blue marlin extraocular muscle (Franck et al., 1998). The RyR cDNA sequence encodes a protein of 5081 amino acids with a molecular ...
8
Energetics of divalent selectivity in a calcium channel: the ryanodine receptor case study
... A model of the ryanodine receptor (RyR) calcium channel is used to study the energetics of binding selectivity of Ca 2+ vs. monovalent cations. RyR is a calcium-selective channel with a DDDD locus in the ...
47
Cardiac ryanodine receptor in metabolic syndrome: is JTV519 (K201) future therapy?
... RyRs, ryanodine receptors; RyR 1 ; RyR 2 and RyR 3 , ryanodine receptor type 1; 2 and 3; SR, sarcoplasmic reticulum; SNS, sympathetic nervous system; RAS, renin angiotensin system; b 1 -AR, b 1 ...
11
Zebrafish relatively relaxed mutants have a ryanodine receptor defect, show slow swimming and provide a model of multi minicore disease
... dihydropyridine receptor (DHPR), a voltage sensor located in the t-tubule ...of ryanodine receptor 1 (RyR1) in the adjacent sarcoplasmic reticulum (SR) to allow Ca 2+ release from the SR to the ...
11
Energetics of divalent selectivity in a calcium channel: the ryanodine receptor case study
... A model of the ryanodine receptor (RyR) calcium channel is used to study the energetics of binding selectivity of Ca 2+ vs. monovalent cations. RyR is a calcium-selective channel with a DDDD locus in the ...
50
Stressed out: the skeletal muscle ryanodine receptor as a target of stress
... Over the past century, understanding the mechanisms underlying muscle fatigue and weakness has been the focus of much investigation. However, the dominant theory in the field, that lactic acidosis causes muscle fatigue, ...
10
Energetics of divalent selectivity in a calcium channel: the ryanodine receptor case study
... A model of the ryanodine receptor (RyR) calcium channel is used to study the energetics of binding selectivity of Ca 2+ vs. monovalent cations. RyR is a calcium-selective channel with a DDDD locus in the ...
42
Phosphorylation of the ryanodine receptor mediates the cardiac fight or flight response in mice
... During the classic “fight-or-flight” stress response, sympathetic nervous system activation leads to catecholamine release, which increases heart rate and contractility, resulting in enhanced cardiac output. ...
12
Regulation of the skeletal muscle ryanodine receptor by calsequestrin
... These data suggest that calsequestrin reduces ryanodine receptor activity by binding to a co-protein, possibly to the luminal domain of triadin and it is possible that triadin and/or jun[r] ...
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Regulation of the ryanodine receptor calcium release channel by FK506-binding protein
... General Introduction Ryanodine Receptor Calcium Release Channel 1.1 RyR Structure and localisation 1 1.2 Ion permeation and conductance 2 Functional regulation of the RyR 1.3 Dihydropyri[r] ...
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Stable expression and functional characterisation of the diamondback moth ryanodine receptor G4946E variant conferring resistance to diamide insecticides
... (0.01–40 nM), 2 μ l of ryanodine in DMSO (final concentration 10 μ M) in 0.01% Pluronic. The reactions were incubated at room temperature for 2 h. The 96 samples were then loaded onto a 96 well filter plate ...
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Role of chronic ryanodine receptor phosphorylation in heart failure and β adrenergic receptor blockade in mice
... S2808D +/+ mice exhibited increased mortality compared with WT littermates. Treatment with S107, a 1,4-benzothiazepine derivative that stabilizes RyR2-calstabin2 interactions, inhibited the RyR2-mediated diastolic SR Ca ...
14
Energetics of calcium selectivity in a calcium channel: the ryanodine receptor case study
... The L-type and RyR calcium channels have very different permeation and selectivity properties: the L-type channel has a small conductance (1) and micromolar Ca 2+ affinity (2).. w[r] ...
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Energetics of calcium selectivity in a calcium channel: the ryanodine receptor case study
... and ryanodine- sensitive channels) were included: Asp-4899 in the selectivity filter, Asp-4938 and Asp-4945 in the cytosolic vestibule, and Glu-4900 and Glu-4902 in the lumenal vestibule ...
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Energetics of Divalent Selectivity in a Calcium Channel: The Ryanodine Receptor Case Study
... The model shows that Ca21 versus monovalent cation selectivity in RyR is determined by the CSC mechanism that balances the electrostatic attraction of the negative protein charges especi[r] ...
24
Energetics of divalent selectivity in a calcium channel: the ryanodine receptor case study
... On the other hand, Nonner, Boda, the author, and co-workers argue that calcium channels have a small but not single-filing and crowded selectivity filter that prefers Ca2+ over monovalen[r] ...
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Intracellular zinc modulates cardiac ryanodine receptor mediated calcium release
... TABLE 1 Comparison of the changes in RyR2 channel gating in response to Zn2ⴙ The table shows the open and closed lifetime parameters in the presence of 10 M cytosolic Ca2⫹ and following[r] ...
13
Interactions between the dihydropyridine receptor beta1a subunit and the ryanodine receptor from skeletal muscle
... Coronado, 1999b Differential regulation of skeletal muscle L-type Ca2+ current and excitation-contrac tion coupling by the dihydropyridine receptor beta subunit.. Ma, 1997 Functional cal[r] ...
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