Top ▲
Gene and Protein Information | |||||||
Species | TM | P Loops | AA | Chromosomal Location | Gene Symbol | Gene Name | Reference |
Human | 6 | 1 | 977 | 13q13.3 | TRPC4 | transient receptor potential cation channel subfamily C member 4 | |
Mouse | 6 | 1 | 974 | 3 25.43 cM | Trpc4 | transient receptor potential cation channel, subfamily C, member 4 | |
Rat | 6 | 1 | 977 | 2q26 | Trpc4 | transient receptor potential cation channel, subfamily C, member 4 |
Database Links | |
Alphafold | Q9UBN4 (Hs), Q9QUQ5 (Mm), O35119 (Rn) |
CATH/Gene3D | 1.25.40.20 |
ChEMBL Target | CHEMBL4295971 (Hs), CHEMBL1741219 (Mm) |
Ensembl Gene | ENSG00000133107 (Hs), ENSMUSG00000027748 (Mm), ENSRNOG00000011133 (Rn) |
Entrez Gene | 7223 (Hs), 22066 (Mm), 84494 (Rn) |
Human Protein Atlas | ENSG00000133107 (Hs) |
KEGG Gene | hsa:7223 (Hs), mmu:22066 (Mm), rno:84494 (Rn) |
OMIM | 603651 (Hs) |
Pharos | Q9UBN4 (Hs) |
RefSeq Nucleotide | NM_016179 (Hs), NM_016984 (Mm), NM_001083115 (Rn), NM_080396 (Rn) |
RefSeq Protein | NP_057263 (Hs), NP_058680 (Mm), NP_536321 (Rn), NP_001076584 (Rn) |
UniProtKB | Q9UBN4 (Hs), Q9QUQ5 (Mm), O35119 (Rn) |
Wikipedia | TRPC4 (Hs) |
Associated Proteins | ||||||||||||||||||||||||||||||||||||||||||||
|
|
|
Functional Characteristics | |
γ = 30 –41 pS, conducts mono and di-valent cations non-selectively (PCa/PNa = 1.1 – 7.7); dual (inward and outward) rectification |
Ion Selectivity and Conductance | ||||||
|
Chemical activators (Human) |
NO-mediated cysteine S-nitrosylation, potentiation by extracellular protons |
Download all structure-activity data for this target as a CSV file
Activators | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Key to terms and symbols | View all chemical structures | Click column headers to sort | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Activator Comments | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
TRPC4 has also been reported to be activated by receptors coupled to Gαi proteins [8], and potentiated by extracellular protons [24]. Intracellular calcium potentiates TRPC4β [2]. |
Channel Blockers | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Key to terms and symbols | View all chemical structures | Click column headers to sort | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
View species-specific channel blocker tables | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Channel Blocker Comments | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
It is not clear whether any of these blockers are pore blockers or gating inhibitors. PIP2 has been reported to inhibit TRPC4α [17]. |
Tissue Distribution | ||||||||
|
||||||||
|
||||||||
|
||||||||
|
||||||||
|
Functional Assays | ||||||||||
|
Physiological Functions | ||||||||
|
||||||||
|
||||||||
|
||||||||
|
||||||||
|
Phenotypes, Alleles and Disease Models | Mouse data from MGI | ||||||||||||
|
Biologically Significant Variants | ||||||||||||
|
||||||||||||
|
General Comments |
Activated by stimulation of GPCRs coupled to Gq stimulation. Precise pathway is unclear. Also, potentiated by 10-100 μM La3+ and Gd3+. When complexed with TRPC1, a current with a unique I-V relationship is formed [28]. |
1. Akbulut Y, Gaunt HJ, Muraki K, Ludlow MJ, Amer MS, Bruns A, Vasudev NS, Radtke L, Willot M, Hahn S et al.. (2015) (-)-Englerin A is a potent and selective activator of TRPC4 and TRPC5 calcium channels. Angew Chem Int Ed Engl, 54 (12): 3787-91. [PMID:25707820]
2. Blair NT, Kaczmarek JS, Clapham DE. (2009) Intracellular calcium strongly potentiates agonist-activated TRPC5 channels. J Gen Physiol, 133 (5): 525-46. [PMID:19398778]
3. Boisseau S, Kunert-Keil C, Lucke S, Bouron A. (2009) Heterogeneous distribution of TRPC proteins in the embryonic cortex. Histochem Cell Biol, 131 (3): 355-63. [PMID:18989690]
4. Chung YH, Sun Ahn H, Kim D, Hoon Shin D, Su Kim S, Yong Kim K, Bok Lee W, Ik Cha C. (2006) Immunohistochemical study on the distribution of TRPC channels in the rat hippocampus. Brain Res, 1085 (1): 132-7. [PMID:16580647]
5. Freichel M, Suh SH, Pfeifer A, Schweig U, Trost C, Weissgerber P, Biel M, Philipp S, Freise D, Droogmans G et al.. (2001) Lack of an endothelial store-operated Ca2+ current impairs agonist-dependent vasorelaxation in TRP4-/- mice. Nat Cell Biol, 3 (2): 121-7. [PMID:11175743]
6. Hannan MA, Kabbani N, Paspalas CD, Levenson R. (2008) Interaction with dopamine D2 receptor enhances expression of transient receptor potential channel 1 at the cell surface. Biochim Biophys Acta, 1778 (4): 974-82. [PMID:18261457]
7. Huang GN, Zeng W, Kim JY, Yuan JP, Han L, Muallem S, Worley PF. (2006) STIM1 carboxyl-terminus activates native SOC, I(crac) and TRPC1 channels. Nat Cell Biol, 8 (9): 1003-10. [PMID:16906149]
8. Jeon JP, Hong C, Park EJ, Jeon JH, Cho NH, Kim IG, Choe H, Muallem S, Kim HJ, So I. (2012) Selective Gαi subunits as novel direct activators of transient receptor potential canonical (TRPC)4 and TRPC5 channels. J Biol Chem, 287 (21): 17029-39. [PMID:22457348]
9. Just S, Chenard BL, Ceci A, Strassmaier T, Chong JA, Blair NT, Gallaschun RJ, Del Camino D, Cantin S, D'Amours M et al.. (2018) Treatment with HC-070, a potent inhibitor of TRPC4 and TRPC5, leads to anxiolytic and antidepressant effects in mice. PLoS ONE, 13 (1): e0191225. [PMID:29385160]
10. Lee KP, Jun JY, Chang IY, Suh SH, So I, Kim KW. (2005) TRPC4 is an essential component of the nonselective cation channel activated by muscarinic stimulation in mouse visceral smooth muscle cells. Mol Cells, 20 (3): 435-41. [PMID:16404161]
11. Lussier MP, Cayouette S, Lepage PK, Bernier CL, Francoeur N, St-Hilaire M, Pinard M, Boulay G. (2005) MxA, a member of the dynamin superfamily, interacts with the ankyrin-like repeat domain of TRPC. J Biol Chem, 280 (19): 19393-400. [PMID:15757897]
12. McKay RR, Szymeczek-Seay CL, Lievremont JP, Bird GS, Zitt C, Jüngling E, Lückhoff A, Putney Jr JW. (2000) Cloning and expression of the human transient receptor potential 4 (TRP4) gene: localization and functional expression of human TRP4 and TRP3. Biochem J, 351 Pt 3: 735-46. [PMID:11042129]
13. Miehe S, Bieberstein A, Arnould I, Ihdene O, Rütten H, Strübing C. (2010) The phospholipid-binding protein SESTD1 is a novel regulator of the transient receptor potential channels TRPC4 and TRPC5. J Biol Chem, 285 (16): 12426-34. [PMID:20164195]
14. Miller M, Shi J, Zhu Y, Kustov M, Tian JB, Stevens A, Wu M, Xu J, Long S, Yang P et al.. (2011) Identification of ML204, a novel potent antagonist that selectively modulates native TRPC4/C5 ion channels. J Biol Chem, 286 (38): 33436-46. [PMID:21795696]
15. Murata T, Lin MI, Stan RV, Bauer PM, Yu J, Sessa WC. (2007) Genetic evidence supporting caveolae microdomain regulation of calcium entry in endothelial cells. J Biol Chem, 282 (22): 16631-43. [PMID:17416589]
16. Odell AF, Van Helden DF, Scott JL. (2008) The spectrin cytoskeleton influences the surface expression and activation of human transient receptor potential channel 4 channels. J Biol Chem, 283 (7): 4395-407. [PMID:18048348]
17. Otsuguro K, Tang J, Tang Y, Xiao R, Freichel M, Tsvilovskyy V, Ito S, Flockerzi V, Zhu MX, Zholos AV. (2008) Isoform-specific inhibition of TRPC4 channel by phosphatidylinositol 4,5-bisphosphate. J Biol Chem, 283 (15): 10026-36. [PMID:18230622]
18. Phelan KD, Shwe UT, Abramowitz J, Wu H, Rhee SW, Howell MD, Gottschall PE, Freichel M, Flockerzi V, Birnbaumer L et al.. (2013) Canonical transient receptor channel 5 (TRPC5) and TRPC1/4 contribute to seizure and excitotoxicity by distinct cellular mechanisms. Mol Pharmacol, 83 (2): 429-38. [PMID:23188715]
19. Philipp S, Hambrecht J, Braslavski L, Schroth G, Freichel M, Murakami M, Cavalié A, Flockerzi V. (1998) A novel capacitative calcium entry channel expressed in excitable cells. EMBO J, 17 (15): 4274-82. [PMID:9687496]
20. Richter JM, Schaefer M, Hill K. (2014) Clemizole hydrochloride is a novel and potent inhibitor of transient receptor potential channel TRPC5. Mol Pharmacol, 86 (5): 514-21. [PMID:25140002]
21. Rubaiy HN, Ludlow MJ, Henrot M, Gaunt HJ, Miteva K, Cheung SY, Tanahashi Y, Hamzah N, Musialowski KE, Blythe NM et al.. (2017) Picomolar, selective, and subtype-specific small-molecule inhibition of TRPC1/4/5 channels. J Biol Chem, 292 (20): 8158-8173. [PMID:28325835]
22. Rubaiy HN, Ludlow MJ, Siems K, Norman K, Foster R, Wolf D, Beutler JA, Beech DJ. (2018) Tonantzitlolone is a nanomolar potency activator of transient receptor potential canonical 1/4/5 channels. Br J Pharmacol, 175 (16): 3361-3368. [PMID:29859013]
23. Schaefer M, Plant TD, Obukhov AG, Hofmann T, Gudermann T, Schultz G. (2000) Receptor-mediated regulation of the nonselective cation channels TRPC4 and TRPC5. J Biol Chem, 275 (23): 17517-26. [PMID:10837492]
24. Semtner M, Schaefer M, Pinkenburg O, Plant TD. (2007) Potentiation of TRPC5 by protons. J Biol Chem, 282 (46): 33868-78. [PMID:17884814]
25. Sharma S, Hopkins CR. (2019) Review of Transient Receptor Potential Canonical (TRPC5) Channel Modulators and Diseases. J Med Chem, 62 (17): 7589-7602. [PMID:30943030]
26. Song X, Zhao Y, Narcisse L, Duffy H, Kress Y, Lee S, Brosnan CF. (2005) Canonical transient receptor potential channel 4 (TRPC4) co-localizes with the scaffolding protein ZO-1 in human fetal astrocytes in culture. Glia, 49 (3): 418-29. [PMID:15540229]
27. Stroh O, Freichel M, Kretz O, Birnbaumer L, Hartmann J, Egger V. (2012) NMDA receptor-dependent synaptic activation of TRPC channels in olfactory bulb granule cells. J Neurosci, 32 (17): 5737-46. [PMID:22539836]
28. Strübing C, Krapivinsky G, Krapivinsky L, Clapham DE. (2001) TRPC1 and TRPC5 form a novel cation channel in mammalian brain. Neuron, 29 (3): 645-55. [PMID:11301024]
29. Strübing C, Krapivinsky G, Krapivinsky L, Clapham DE. (2003) Formation of novel TRPC channels by complex subunit interactions in embryonic brain. J Biol Chem, 278 (40): 39014-9. [PMID:12857742]
30. Tang J, Lin Y, Zhang Z, Tikunova S, Birnbaumer L, Zhu MX. (2001) Identification of common binding sites for calmodulin and inositol 1,4,5-trisphosphate receptors on the carboxyl termini of trp channels. J Biol Chem, 276 (24): 21303-10. [PMID:11290752]
31. Tang Y, Tang J, Chen Z, Trost C, Flockerzi V, Li M, Ramesh V, Zhu MX. (2000) Association of mammalian trp4 and phospholipase C isozymes with a PDZ domain-containing protein, NHERF. J Biol Chem, 275 (48): 37559-64. [PMID:10980202]
32. Tsvilovskyy VV, Zholos AV, Aberle T, Philipp SE, Dietrich A, Zhu MX, Birnbaumer L, Freichel M, Flockerzi V. (2009) Deletion of TRPC4 and TRPC6 in mice impairs smooth muscle contraction and intestinal motility in vivo. Gastroenterology, 137 (4): 1415-24. [PMID:19549525]
33. Walker RL, Koh SD, Sergeant GP, Sanders KM, Horowitz B. (2002) TRPC4 currents have properties similar to the pacemaker current in interstitial cells of Cajal. Am J Physiol, Cell Physiol, 283 (6): C1637-45. [PMID:12388058]
34. Zechel S, Werner S, von Bohlen Und Halbach O. (2007) Distribution of TRPC4 in developing and adult murine brain. Cell Tissue Res, 328 (3): 651-6. [PMID:17345099]
35. Zhu Y, Lu Y, Qu C, Miller M, Tian J, Thakur DP, Zhu J, Deng Z, Hu X, Wu M et al.. (2015) Identification and optimization of 2-aminobenzimidazole derivatives as novel inhibitors of TRPC4 and TRPC5 channels. Br J Pharmacol, 172 (14): 3495-509. [PMID:25816897]