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Each TRPV1 subunits are made of one '''N-terminal tail''', one '''transmembrane region''', a'' C-terminal tail'' preceded by a '''TRP domain'''. The N-terminal and C-terminal region are intracellular. N and C terminal region are responsible of 70% of the total mass of TRPV1.<ref name="Structure of the TRPV1 ion channel determined by electron cryo-microscopy"/>
Each TRPV1 subunits are made of one '''N-terminal tail''', one '''transmembrane region''', a'' C-terminal tail'' preceded by a '''TRP domain'''. The N-terminal and C-terminal region are intracellular. N and C terminal region are responsible of 70% of the total mass of TRPV1.<ref name="Structure of the TRPV1 ion channel determined by electron cryo-microscopy"/>
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The N-terminal region has 6 repeats of [https://en.wikipedia.org/wiki/Ankyrin ankyrin].<ref name="Structure of the TRPV1 ion channel determined by electron cryo-microscopy"/><ref name="Integrating TRPV1 Receptor Function with Capsaicin Psychophysics">G. Smutzer et R. K. Devassy, « Integrating TRPV1 Receptor Function with Capsaicin Psychophysics », Advances in Pharmacological Sciences, janv. 14, 2016</ref>
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The N-terminal region has 6 repeats of [https://en.wikipedia.org/wiki/Ankyrin <scene name='86/868185/Ankyrin_residues_of_n-term/1'>ankyrin</scene>].<ref name="Structure of the TRPV1 ion channel determined by electron cryo-microscopy"/><ref name="Integrating TRPV1 Receptor Function with Capsaicin Psychophysics">G. Smutzer et R. K. Devassy, « Integrating TRPV1 Receptor Function with Capsaicin Psychophysics », Advances in Pharmacological Sciences, janv. 14, 2016</ref>
The transmembrane region is composed of '''six transmembrane a helices''' (S1-S6). S1,S2 and S3 helices contain aromatic side chain (S1 : Y441,Y444,Y555 S2: F488 S3 : F516).<ref name="Structure of the TRPV1 ion channel determined by electron cryo-microscopy"/> A small hydrophobic domain beetween S5 and S6 with a re-entrant loop constitutes the pore allowing the passage of ions through the TRPV1 receptor.<ref name="TRPV1"/><ref name="Structure of the TRPV1 ion channel determined by electron cryo-microscopy"/>
The transmembrane region is composed of '''six transmembrane a helices''' (S1-S6). S1,S2 and S3 helices contain aromatic side chain (S1 : Y441,Y444,Y555 S2: F488 S3 : F516).<ref name="Structure of the TRPV1 ion channel determined by electron cryo-microscopy"/> A small hydrophobic domain beetween S5 and S6 with a re-entrant loop constitutes the pore allowing the passage of ions through the TRPV1 receptor.<ref name="TRPV1"/><ref name="Structure of the TRPV1 ion channel determined by electron cryo-microscopy"/>

Revision as of 10:34, 8 January 2021

This Sandbox is Reserved from 26/11/2020, through 26/11/2021 for use in the course "Structural Biology" taught by Bruno Kieffer at the University of Strasbourg, ESBS. This reservation includes Sandbox Reserved 1643 through Sandbox Reserved 1664.
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The Transient Receptor Potential cation channel subfamily V member 1 TRPV1

Structure of TRPV1 in complex with capsazepine, determined in lipid nanodisc

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References

  1. ↑ 1.0 1.1 1.2 Wikipedia contributors. (2020b, décembre 21). TRPV1. Wikipedia. https://en.wikipedia.org/wiki/TRPV1 (Consulté le: déc. 28, 2020). [En ligne].
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Liao, M., Cao, E., Julius, D., & Cheng, Y. (2013b). Structure of the TRPV1 ion channel determined by electron cryo-microscopy. Nature, 504(7478), 107‑112. https://doi.org/10.1038/nature12822(consulté le déc. 28, 2020)
  3. ↑ T. Rosenbaum et S. A. Simon, « TRPV1 Receptors and Signal Transduction », in TRP Ion Channel Function in Sensory Transduction and Cellular Signaling Cascades, W. B. Liedtke et S. Heller, Éd. Boca Raton (FL): CRC Press/Taylor & Francis, 2007
  4. ↑ 4.0 4.1 4.2 4.3 G. Smutzer et R. K. Devassy, « Integrating TRPV1 Receptor Function with Capsaicin Psychophysics », Advances in Pharmacological Sciences, janv. 14, 2016
  5. ↑ R. Kumar, A. Hazan, A. Basu, N. Zalcman, H. Matzner, et A. Priel, « Tyrosine Residue in the TRPV1 Vanilloid Binding Pocket Regulates Deactivation Kinetics », J. Biol. Chem., vol. 291, no 26, p. 13855‑13863, juin 2016, doi: 10.1074/jbc.M116.726372.
  6. ↑ X. Yao, H.-Y. Kwan, et Y. Huang, « Regulation of TRP Channels by Phosphorylation », Neurosignals, vol. 14, no 6, p. 273‑280, 2005, doi: 10.1159/000093042
  7. ↑ F. Yang et J. Zheng, « Understand spiciness: mechanism of TRPV1 channel activation by capsaicin », Protein Cell, vol. 8, no 3, p. 169‑177, mars 2017, doi: 10.1007/s13238-016-0353-7.
  8. ↑ F. Yang et al., « Structural mechanism underlying capsaicin binding and activation of the TRPV1 ion channel », Nat. Chem. Biol., vol. 11, no 7, Art. no 7, juill. 2015, doi: 10.1038/nchembio.1835.
  9. ↑ K. Elokely et al., « Understanding TRPV1 activation by ligands: Insights from the binding modes of capsaicin and resiniferatoxin », Proc. Natl. Acad. Sci., vol. 113, no 2, p. E137‑E145, janv. 2016, doi:10.1073/pnas.1517288113.
  10. ↑ K. W. Ho, N. J. Ward, et D. J. Calkins, « TRPV1: a stress response protein in the central nervous system », Am. J. Neurodegener. Dis., vol. 1, no 1, p. 1‑14, avr. 2012.
  11. ↑ G. Bhave et al., « Protein kinase C phosphorylation sensitizes but does not activate the capsaicin receptor transient receptor potential vanilloid 1 (TRPV1) », Proc. Natl. Acad. Sci., vol. 100, no 21, p. 12480‑12485, oct. 2003, doi: 10.1073/pnas.2032100100.
  12. ↑ 12.0 12.1 A. Danigo, L. Magy, et C. Demiot, « TRPV1 dans les neuropathies douloureuses - Des modèles animaux aux perspectives thérapeutiques », médecine/sciences, vol. 29, no 6‑7, Art. no 6‑7, juin 2013, doi: 10.1051/medsci/2013296012.
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