Potassium voltage-gated channel subfamily E member 4

Details

Name
Potassium voltage-gated channel subfamily E member 4
Synonyms
  • Minimum potassium ion channel-related peptide 3
  • MinK-related peptide 3
  • Potassium channel subunit beta MiRP3
Gene Name
KCNE4
Organism
Humans
Amino acid sequence
>lcl|BSEQ0052271|Potassium voltage-gated channel subfamily E member 4
MHFLTIYPNCSSGVVRAQSRTEQKNPLGLDDLGIQNLGQTVSLAPAVEAASMLKMEPLNS
THPGTAASSSPLESRAAGGGSGNGNEYFYILVVMSFYGIFLIGIMLGYMKSKRREKKSSL
LLLYKDEERLWGEAMKPLPVVSGLRSVQVPLMLNMLQESVAPALSCTLCSMEGDSVSSES
SSPDVHLTIQEEGADDELEETSETPLNESSEGSSENIHQNS
Number of residues
221
Molecular Weight
23805.62
Theoretical pI
Not Available
GO Classification
Functions
ion channel binding / potassium channel regulator activity / voltage-gated potassium channel activity
Processes
membrane repolarization during action potential / membrane repolarization during ventricular cardiac muscle cell action potential / negative regulation of delayed rectifier potassium channel activity / potassium ion export across plasma membrane / regulation of heart rate by cardiac conduction / regulation of ventricular cardiac muscle cell membrane repolarization / ventricular cardiac muscle cell action potential
Components
apical plasma membrane / integral component of membrane
General Function
Ancillary protein that assembles as a beta subunit with a voltage-gated potassium channel complex of pore-forming alpha subunits. Modulates the gating kinetics and enhances stability of the channel complex. May associate with KCNQ1/KVLTQ1 and inhibit potassium current.
Specific Function
Ion channel binding
Pfam Domain Function
Transmembrane Regions
87-107
Cellular Location
Membrane
Gene sequence
>lcl|BSEQ0052272|Potassium voltage-gated channel subfamily E member 4 (KCNE4)
ATGCACTTCTTGACTATATATCCCAACTGCAGCAGCGGAGTTGTCAGAGCGCAGAGCCGG
ACAGAGCAGAAGAACCCTCTTGGACTGGACGATTTGGGAATTCAAAACTTGGGACAAACT
GTCAGCCTTGCCCCTGCTGTGGAGGCAGCCTCAATGCTGAAAATGGAGCCTCTGAACAGC
ACGCACCCCGGCACCGCCGCCTCCAGCAGCCCCCTGGAGTCCCGTGCGGCCGGCGGCGGC
AGCGGCAATGGCAACGAGTACTTCTACATTCTGGTTGTCATGTCCTTCTACGGCATTTTC
TTGATCGGAATCATGCTGGGCTACATGAAATCCAAGAGGCGGGAGAAGAAGTCCAGCCTC
CTGCTGCTGTACAAAGACGAGGAGCGGCTCTGGGGGGAGGCCATGAAGCCGCTGCCTGTG
GTGTCGGGCCTGAGGTCGGTGCAGGTGCCCCTGATGCTGAACATGCTGCAGGAGAGCGTG
GCGCCCGCGCTGTCCTGCACCCTCTGTTCCATGGAAGGGGACAGCGTGAGCTCCGAGTCC
TCCTCCCCGGACGTGCACCTCACCATTCAGGAGGAGGGGGCAGACGATGAGCTGGAGGAG
ACCTCGGAGACGCCCCTCAACGAGAGCAGCGAAGGGTCCTCGGAGAACATCCATCAGAAT
TCCTAG
Chromosome Location
2
Locus
2q36.1
External Identifiers
ResourceLink
UniProtKB IDQ8WWG9
UniProtKB Entry NameKCNE4_HUMAN
HGNC IDHGNC:6244
General References
  1. Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. Epub 2003 Dec 21. [Article]
  2. Hillier LW, Graves TA, Fulton RS, Fulton LA, Pepin KH, Minx P, Wagner-McPherson C, Layman D, Wylie K, Sekhon M, Becker MC, Fewell GA, Delehaunty KD, Miner TL, Nash WE, Kremitzki C, Oddy L, Du H, Sun H, Bradshaw-Cordum H, Ali J, Carter J, Cordes M, Harris A, Isak A, van Brunt A, Nguyen C, Du F, Courtney L, Kalicki J, Ozersky P, Abbott S, Armstrong J, Belter EA, Caruso L, Cedroni M, Cotton M, Davidson T, Desai A, Elliott G, Erb T, Fronick C, Gaige T, Haakenson W, Haglund K, Holmes A, Harkins R, Kim K, Kruchowski SS, Strong CM, Grewal N, Goyea E, Hou S, Levy A, Martinka S, Mead K, McLellan MD, Meyer R, Randall-Maher J, Tomlinson C, Dauphin-Kohlberg S, Kozlowicz-Reilly A, Shah N, Swearengen-Shahid S, Snider J, Strong JT, Thompson J, Yoakum M, Leonard S, Pearman C, Trani L, Radionenko M, Waligorski JE, Wang C, Rock SM, Tin-Wollam AM, Maupin R, Latreille P, Wendl MC, Yang SP, Pohl C, Wallis JW, Spieth J, Bieri TA, Berkowicz N, Nelson JO, Osborne J, Ding L, Meyer R, Sabo A, Shotland Y, Sinha P, Wohldmann PE, Cook LL, Hickenbotham MT, Eldred J, Williams D, Jones TA, She X, Ciccarelli FD, Izaurralde E, Taylor J, Schmutz J, Myers RM, Cox DR, Huang X, McPherson JD, Mardis ER, Clifton SW, Warren WC, Chinwalla AT, Eddy SR, Marra MA, Ovcharenko I, Furey TS, Miller W, Eichler EE, Bork P, Suyama M, Torrents D, Waterston RH, Wilson RK: Generation and annotation of the DNA sequences of human chromosomes 2 and 4. Nature. 2005 Apr 7;434(7034):724-31. [Article]
  3. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [Article]
  4. Grunnet M, Jespersen T, Rasmussen HB, Ljungstrom T, Jorgensen NK, Olesen SP, Klaerke DA: KCNE4 is an inhibitory subunit to the KCNQ1 channel. J Physiol. 2002 Jul 1;542(Pt 1):119-30. doi: 10.1113/jphysiol.2002.017301. [Article]
  5. Vanoye CG, Welch RC, Daniels MA, Manderfield LJ, Tapper AR, Sanders CR, George AL Jr: Distinct subdomains of the KCNQ1 S6 segment determine channel modulation by different KCNE subunits. J Gen Physiol. 2009 Sep;134(3):207-17. doi: 10.1085/jgp.200910234. Epub 2009 Aug 17. [Article]
  6. Roura-Ferrer M, Sole L, Oliveras A, Dahan R, Bielanska J, Villarroel A, Comes N, Felipe A: Impact of KCNE subunits on KCNQ1 (Kv7.1) channel membrane surface targeting. J Cell Physiol. 2010 Nov;225(3):692-700. doi: 10.1002/jcp.22265. [Article]

Drug Relations

Drug Relations
DrugBank IDNameDrug groupPharmacological action?ActionsDetails
DB00228Enfluraneapproved, investigational, vet_approvedunknowninhibitoractivatorDetails
DB01069Promethazineapproved, investigationalunknowninducerDetails
DB01110Miconazoleapproved, investigational, vet_approvedunknowninhibitorDetails