4jkq

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'''Unreleased structure'''
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{{STRUCTURE_4jkq| PDB=4jkq | SCENE= }}
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===Crystal structure of the N-terminal region of the human ryanodine receptor 2===
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The entry 4jkq is ON HOLD
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==Disease==
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[[http://www.uniprot.org/uniprot/RYR2_HUMAN RYR2_HUMAN]] Familial isolated arrhythmogenic ventricular dysplasia, right dominant form;Catecholaminergic polymorphic ventricular tachycardia;Familial isolated arrhythmogenic ventricular dysplasia, biventricular form;Familial isolated arrhythmogenic ventricular dysplasia, left dominant form. The disease is caused by mutations affecting the gene represented in this entry. The disease is caused by mutations affecting the gene represented in this entry.
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Authors: Bauerova, V., Sevcik, J.
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==Function==
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[[http://www.uniprot.org/uniprot/RYR2_HUMAN RYR2_HUMAN]] Calcium channel that mediates the release of Ca(2+) from the sarcoplasmic reticulum into the cytoplasm and thereby plays a key role in triggering cardiac muscle contraction. Aberrant channel activation can lead to cardiac arrhythmia. In cardiac myocytes, calcium release is triggered by increased Ca(2+) levels due to activation of the L-type calcium channel CACNA1C. The calcium channel activity is modulated by formation of heterotetramers with RYR3. Required for cellular calcium ion homeostasis. Required for embryonic heart development.<ref>PMID:10830164</ref> <ref>PMID:20056922</ref>
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Description: Crystal structure of the N-terminal region of the human ryanodine receptor 2
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==About this Structure==
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[[4jkq]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4JKQ OCA].
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==Reference==
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<references group="xtra"/><references/>
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[[Category: Bauerova, V.]]
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[[Category: Sevcik, J.]]
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[[Category: Beta trefoil fold]]
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[[Category: Unknown function]]

Revision as of 09:31, 2 April 2014

Template:STRUCTURE 4jkq

Contents

Crystal structure of the N-terminal region of the human ryanodine receptor 2

Disease

[RYR2_HUMAN] Familial isolated arrhythmogenic ventricular dysplasia, right dominant form;Catecholaminergic polymorphic ventricular tachycardia;Familial isolated arrhythmogenic ventricular dysplasia, biventricular form;Familial isolated arrhythmogenic ventricular dysplasia, left dominant form. The disease is caused by mutations affecting the gene represented in this entry. The disease is caused by mutations affecting the gene represented in this entry.

Function

[RYR2_HUMAN] Calcium channel that mediates the release of Ca(2+) from the sarcoplasmic reticulum into the cytoplasm and thereby plays a key role in triggering cardiac muscle contraction. Aberrant channel activation can lead to cardiac arrhythmia. In cardiac myocytes, calcium release is triggered by increased Ca(2+) levels due to activation of the L-type calcium channel CACNA1C. The calcium channel activity is modulated by formation of heterotetramers with RYR3. Required for cellular calcium ion homeostasis. Required for embryonic heart development.[1] [2]

About this Structure

4jkq is a 1 chain structure. Full crystallographic information is available from OCA.

Reference

  1. ↑ Marx SO, Reiken S, Hisamatsu Y, Jayaraman T, Burkhoff D, Rosemblit N, Marks AR. PKA phosphorylation dissociates FKBP12.6 from the calcium release channel (ryanodine receptor): defective regulation in failing hearts. Cell. 2000 May 12;101(4):365-76. PMID:10830164
  2. ↑ Neef S, Dybkova N, Sossalla S, Ort KR, Fluschnik N, Neumann K, Seipelt R, Schondube FA, Hasenfuss G, Maier LS. CaMKII-dependent diastolic SR Ca2+ leak and elevated diastolic Ca2+ levels in right atrial myocardium of patients with atrial fibrillation. Circ Res. 2010 Apr 2;106(6):1134-44. doi: 10.1161/CIRCRESAHA.109.203836. Epub, 2010 Jan 7. PMID:20056922 doi:http://dx.doi.org/10.1161/CIRCRESAHA.109.203836

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