Transient receptor potential

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Transient receptor potential or TRP channels are a family of loosely related ion channels that are non-selectively permeable to cations, including calcium and magnesium. TRP channels were discovered in mutant Drosophila that, instead of having sustained photoreceptor activity in response to light, had only a transient response to light.[1] Most TRP channels are comprised of 6 membrane-spanning helices with intracellular N- and C-termini. TRP channels are activated and regulated by a wide variety of stimuli and are expressed widely throughout the body.

Genes

They are encoded by at least 33 channel subunit genes divided into seven sub-families:

References

  1. ^ Cosens, DJ, Manning, A (1969). "Abnormal electroretinogram from a Drosophila mutant.". Nature 224 (5216): 285–7. PMID 5344615. 

External links

v • d • e
Membrane transport protein: ion channels
Ca2+: Calcium channel
L-type/Cavα (1.1, 1.2, 1.3, 1.4) • N-type/Cavα2.2 • P-type/Cavα(2.1) • Q-type/Cavα2.1 • R-type/Cavα2.3 • T-type/Cavα(3.2)
α2δ-subunits (1, 2) • β-subunits (β1, β2, β3, β4) • γ-subunits (γ1, γ2, γ3, γ4)
Cation channels of sperm • Two-pore channel (1, 2)
Ligand-gated
Na+: Sodium channel
Navα (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 7A) • Navβ (1, 2, 3, 4)
Other
K+: Potassium channel
Kvα (1-6) (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.10, 2.1, 2.2, 3.1, 3.2, 3.3, 3.4, 4.1, 4.2, 4.3, 5.1, 6.1, 6.2, 6.3, 6.4)
Kvα (7-12) (7.1, 7.2, 7.3, 7.4, 7.5, 8.1, 8.2, 9.1, 9.2, 9.3, 10.1, 10.2, 11.1/hERG, 11.2, 11.3, 12.1, 12.2, 12.3)
Kvβ (1, 2, 3) • KCNIP (1, 2, 3, 4) • minK/ISK • MiRP (1, 2, 3) • Shaker gene
Kir (1.1, 2.1, 2.2, 2.3, 2.4) • GIRK/Kir (3.1, 3.2, 3.3, 3.4) • Kir (4.1, 4.2, 5.1, 6.1, 6.2, 7.1)
K2P (1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 15, 16, 17, 18)
M+: TRP cation channel
TRPA (1) • TRPC (1, 2, 3, 4, 4AP, 5, 6, 7) • TRPM (1, 2, 3, 4, 5, 6, 7, 8) • TRPML (1, 2, 3) • TRPP (1, 2) • TRPV (1, 2, 3, 4, 5, 6)
Cl-: Chloride channel
CFTR • CLCA (1, 2, 3, 4) • CLCN (1, 2, 3, 4, 5, 6, 7, KA, KB) • CLIC (1, 2, 3, 4, 5, 6, L1) • CLNS (1A, 1B)
Cyclic nucleotide-gated
α1, α2, α3, α4, β1, β3, H1, H2, H3, H4
Porin
Other/general

Wikipedia content modification information:

  • This page was last modified on 31 August 2008, at 14:38.

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