- PDB-4jkq: Crystal structure of the N-terminal region of the human ryanodine... -
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Basic information
Entry
Database: PDB / ID: 4jkq
Title
Crystal structure of the N-terminal region of the human ryanodine receptor 2
Components
Ryanodine receptor 2
Keywords
UNKNOWN FUNCTION / beta trefoil fold
Function / homology
Function and homology information
junctional sarcoplasmic reticulum membrane / suramin binding / establishment of protein localization to endoplasmic reticulum / type B pancreatic cell apoptotic process / Purkinje myocyte to ventricular cardiac muscle cell signaling / regulation of SA node cell action potential / regulation of atrial cardiac muscle cell action potential / left ventricular cardiac muscle tissue morphogenesis / regulation of AV node cell action potential / positive regulation of ATPase-coupled calcium transmembrane transporter activity ...junctional sarcoplasmic reticulum membrane / suramin binding / establishment of protein localization to endoplasmic reticulum / type B pancreatic cell apoptotic process / Purkinje myocyte to ventricular cardiac muscle cell signaling / regulation of SA node cell action potential / regulation of atrial cardiac muscle cell action potential / left ventricular cardiac muscle tissue morphogenesis / regulation of AV node cell action potential / positive regulation of ATPase-coupled calcium transmembrane transporter activity / calcium-induced calcium release activity / sarcoplasmic reticulum calcium ion transport / ventricular cardiac muscle cell action potential / regulation of ventricular cardiac muscle cell action potential / positive regulation of sequestering of calcium ion / embryonic heart tube morphogenesis / cardiac muscle hypertrophy / ryanodine-sensitive calcium-release channel activity / regulation of cardiac muscle contraction by calcium ion signaling / release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / response to muscle activity / calcium ion transport into cytosol / response to caffeine / cell communication by electrical coupling involved in cardiac conduction / response to redox state / positive regulation of heart rate / cellular response to caffeine / protein kinase A regulatory subunit binding / intracellularly gated calcium channel activity / protein kinase A catalytic subunit binding / positive regulation of the force of heart contraction / : / detection of calcium ion / regulation of cardiac muscle contraction / smooth endoplasmic reticulum / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / striated muscle contraction / cardiac muscle contraction / release of sequestered calcium ion into cytosol / Ion homeostasis / sarcoplasmic reticulum membrane / calcium channel complex / cellular response to epinephrine stimulus / regulation of cytosolic calcium ion concentration / response to muscle stretch / regulation of heart rate / sarcoplasmic reticulum / establishment of localization in cell / calcium-mediated signaling / calcium channel activity / Stimuli-sensing channels / sarcolemma / Z disc / intracellular calcium ion homeostasis / calcium ion transport / : / transmembrane transporter binding / calmodulin binding / response to hypoxia / calcium ion binding / enzyme binding / protein-containing complex / identical protein binding / membrane / plasma membrane Similarity search - Function
Resolution: 2.39→44.77 Å / Cor.coef. Fo:Fc: 0.94 / Cor.coef. Fo:Fc free: 0.912 / SU B: 18.374 / SU ML: 0.203 / Cross valid method: THROUGHOUT / ESU R: 0.316 / ESU R Free: 0.24 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.26087
1444
4.9 %
RANDOM
Rwork
0.22405
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obs
0.2258
27960
99.35 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK