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Gene and Protein Information | |||||||
Species | TM | P Loops | AA | Chromosomal Location | Gene Symbol | Gene Name | Reference |
Human | 6 | 1 | 613 | 12p13.32 | KCNA5 | potassium voltage-gated channel subfamily A member 5 | 1,7,29 |
Mouse | 6 | 1 | 602 | 6 61.35 cM | Kcna5 | potassium voltage-gated channel, shaker-related subfamily, member 5 | |
Rat | 6 | 1 | 602 | 4q42 | Kcna5 | potassium voltage-gated channel subfamily A member 5 |
Database Links | |
Alphafold | P22460 (Hs), Q61762 (Mm), P19024 (Rn) |
ChEMBL Target | CHEMBL4306 (Hs), CHEMBL4295724 (Rn) |
DrugBank Target | P22460 (Hs) |
Ensembl Gene | ENSG00000130037 (Hs), ENSMUSG00000045534 (Mm), ENSRNOG00000019719 (Rn) |
Entrez Gene | 3741 (Hs), 16493 (Mm), 25470 (Rn) |
Human Protein Atlas | ENSG00000130037 (Hs) |
KEGG Gene | hsa:3741 (Hs), mmu:16493 (Mm), rno:25470 (Rn) |
OMIM | 176267 (Hs) |
Orphanet | ORPHA168086 (Hs) |
Pharos | P22460 (Hs) |
RefSeq Nucleotide | NM_002234 (Hs), NM_145983 (Mm), NM_012972 (Rn) |
RefSeq Protein | NP_002225 (Hs), NP_666095 (Mm), NP_037104 (Rn) |
UniProtKB | P22460 (Hs), Q61762 (Mm), P19024 (Rn) |
Wikipedia | KCNA5 (Hs) |
Associated Proteins | ||||||||||||||||||||||||||||||||||
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Functional Characteristics | |
Kv |
Ion Selectivity and Conductance | ||||||
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Voltage Dependence | ||||||||||||||||
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Associated subunits (Human) |
Kv β1 and Kv β2 |
Download all structure-activity data for this target as a CSV file
Inhibitors | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Key to terms and symbols | View all chemical structures | Click column headers to sort | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Channel Blockers | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Key to terms and symbols | View all chemical structures | Click column headers to sort | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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View species-specific channel blocker tables | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Kv1.2 and Kv1.5 are resistant to tetraethylammonium [12]. |
Tissue Distribution | ||||||||
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Functional Assays | ||||||||||
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Physiological Functions | ||||||||
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Phenotypes, Alleles and Disease Models | Mouse data from MGI | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Clinically-Relevant Mutations and Pathophysiology | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Gene Expression and Pathophysiology | ||||||||||||
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Biologically Significant Variant Comments |
A total of 196 SNPs have been identified in human KCNA5 . For more information see the entry on GeneCards. |
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17. Knobloch K, Brendel J, Peukert S, Rosenstein B, Busch AE, Wirth KJ. (2002) Electrophysiological and antiarrhythmic effects of the novel I(Kur) channel blockers, S9947 and S20951, on left vs. right pig atrium in vivo in comparison with the I(Kr) blockers dofetilide, azimilide, d,l-sotalol and ibutilide. Naunyn Schmiedebergs Arch Pharmacol, 366 (5): 482-7. [PMID:12382079]
18. Kotecha SA, Schlichter LC. (1999) A Kv1.5 to Kv1.3 switch in endogenous hippocampal microglia and a role in proliferation. J Neurosci, 19 (24): 10680-93. [PMID:10594052]
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20. Malayev AA, Nelson DJ, Philipson LH. (1995) Mechanism of clofilium block of the human Kv1.5 delayed rectifier potassium channel. Mol Pharmacol, 47 (1): 198-205. [PMID:7838129]
21. Martens JR, Sakamoto N, Sullivan SA, Grobaski TD, Tamkun MM. (2001) Isoform-specific localization of voltage-gated K+ channels to distinct lipid raft populations. Targeting of Kv1.5 to caveolae. J Biol Chem, 276 (11): 8409-14. [PMID:11115511]
22. Maruoka ND, Steele DF, Au BP, Dan P, Zhang X, Moore ED, Fedida D. (2000) alpha-actinin-2 couples to cardiac Kv1.5 channels, regulating current density and channel localization in HEK cells. FEBS Lett, 473 (2): 188-94. [PMID:10812072]
23. Matsubara H, Liman ER, Hess P, Koren G. (1991) Pretranslational mechanisms determine the type of potassium channels expressed in the rat skeletal and cardiac muscles. J Biol Chem, 266 (20): 13324-8. [PMID:1712780]
24. Matsubara H, Suzuki J, Inada M. (1993) Shaker-related potassium channel, Kv1.4, mRNA regulation in cultured rat heart myocytes and differential expression of Kv1.4 and Kv1.5 genes in myocardial development and hypertrophy. J Clin Invest, 92 (4): 1659-66. [PMID:7691883]
25. Matus-Leibovitch N, Vogel Z, Ezra-Macabee V, Etkin S, Nevo I, Attali B. (1996) Chronic morphine administration enhances the expression of Kv1.5 and Kv1.6 voltage-gated K+ channels in rat spinal cord. Brain Res Mol Brain Res, 40 (2): 261-70. [PMID:8872310]
26. Murata M, Buckett PD, Zhou J, Brunner M, Folco E, Koren G. (2001) SAP97 interacts with Kv1.5 in heterologous expression systems. Am J Physiol Heart Circ Physiol, 281 (6): H2575-84. [PMID:11709425]
27. Olson TM, Alekseev AE, Liu XK, Park S, Zingman LV, Bienengraeber M, Sattiraju S, Ballew JD, Jahangir A, Terzic A. (2006) Kv1.5 channelopathy due to KCNA5 loss-of-function mutation causes human atrial fibrillation. Hum Mol Genet, 15 (14): 2185-91. [PMID:16772329]
28. Philipson LH, Hice RE, Schaefer K, LaMendola J, Bell GI, Nelson DJ, Steiner DF. (1991) Sequence and functional expression in Xenopus oocytes of a human insulinoma and islet potassium channel. Proc Natl Acad Sci USA, 88 (1): 53-7. [PMID:1986382]
29. Phromchotikul T, Browne DL, Curran ME, Keating MT, Litt M. (1993) Dinucleotide repeat polymorphism at the KCNA5 locus. Hum Mol Genet, 2 (9): 1512. [PMID:8242092]
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31. Rampe D, Wang Z, Fermini B, Wible B, Dage RC, Nattel S. (1995) Voltage- and time-dependent block by perhexiline of K+ currents in human atrium and in cells expressing a Kv1.5-type cloned channel. J Pharmacol Exp Ther, 274 (1): 444-9. [PMID:7616429]
32. Roberds SL, Tamkun MM. (1991) Cloning and tissue-specific expression of five voltage-gated potassium channel cDNAs expressed in rat heart. Proc Natl Acad Sci USA, 88 (5): 1798-802. [PMID:1705709]
33. Snyders DJ, Tamkun MM, Bennett PB. (1993) A rapidly activating and slowly inactivating potassium channel cloned from human heart. Functional analysis after stable mammalian cell culture expression. J Gen Physiol, 101 (4): 513-43. [PMID:8505626]
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50. Ye H, Ma WL, Yang ML, Liu SY, Wang DX. (2004) Effect of chronic cigarette smoking on large-conductance calcium-activated potassium channel and Kv1.5 expression in bronchial smooth muscle cells of rats. Sheng li xue bao : [Acta physiologica Sinica], 56 (5): 573-8. [PMID:15497036]
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52. Zadeh AD, Cheng Y, Xu H, Wong N, Wang Z, Goonasekara C, Steele DF, Fedida D. (2009) Kif5b is an essential forward trafficking motor for the Kv1.5 cardiac potassium channel. J Physiol (Lond.), 587 (Pt 19): 4565-74. [PMID:19675065]