Small conductance calcium-activated potassium channel protein 2
Details
- Name
- Small conductance calcium-activated potassium channel protein 2
- Synonyms
- KCa2.2
- SK2
- Gene Name
- KCNN2
- Organism
- Humans
- Amino acid sequence
>lcl|BSEQ0008406|Small conductance calcium-activated potassium channel protein 2 MSSCRYNGGVMRPLSNLSASRRNLHEMDSEAQPLQPPASVGGGGGASSPSAAAAAAAAVS SSAPEIVVSKPEHNNSNNLALYGTGGGGSTGGGGGGGGSGHGSSSGTKSSKKKNQNIGYK LGHRRALFEKRKRLSDYALIFGMFGIVVMVIETELSWGAYDKASLYSLALKCLISLSTII LLGLIIVYHAREIQLFMVDNGADDWRIAMTYERIFFICLEILVCAIHPIPGNYTFTWTAR LAFSYAPSTTTADVDIILSIPMFLRLYLIARVMLLHSKLFTDASSRSIGALNKINFNTRF VMKTLMTICPGTVLLVFSISLWIIAAWTVRACERYHDQQDVTSNFLGAMWLISITFLSIG YGDMVPNTYCGKGVCLLTGIMGAGCTALVVAVVARKLELTKAEKHVHNFMMDTQLTKRVK NAAANVLRETWLIYKNTKLVKKIDHAKVRKHQRKFLQAIHQLRSVKMEQRKLNDQANTLV DLAKTQNIMYDMISDLNERSEDFEKRIVTLETKLETLIGSIHALPGLISQTIRQQQRDFI EAQMESYDKHVTYNAERSRSSSRRRRSSSTAPPTSSESS
- Number of residues
- 579
- Molecular Weight
- 63759.03
- Theoretical pI
- 9.99
- GO Classification
- Functionsalpha-actinin binding / calcium-activated potassium channel activity / calmodulin binding / protein domain specific binding / protein homodimerization activity / small conductance calcium-activated potassium channel activityProcessespotassium ion transmembrane transport / potassium ion transport / regulation of potassium ion transmembrane transport / synaptic transmissionComponentscell surface / dendritic spine / integral component of membrane / neuronal cell body / plasma membrane / smooth endoplasmic reticulum / T-tubule / Z disc
- General Function
- Small conductance calcium-activated potassium channel activity
- Specific Function
- Forms a voltage-independent potassium channel activated by intracellular calcium. Activation is followed by membrane hyperpolarization. Thought to regulate neuronal excitability by contributing to the slow component of synaptic afterhyperpolarization. The channel is blocked by apamin.
- Pfam Domain Function
- Transmembrane Regions
- 138-158 168-188 214-234 256-276 305-325 374-394
- Cellular Location
- Membrane
- Gene sequence
>lcl|BSEQ0019569|Small conductance calcium-activated potassium channel protein 2 (KCNN2) ATGTGGTTGATATCAATAACTTTTCTCTCCATTGGTTATGGTGACATGGTACCTAACACA TACTGTGGAAAAGGAGTCTGCTTACTTACTGGAATTATGGGTGCTGGTTGCACAGCCCTG GTGGTAGCTGTAGTGGCAAGGAAGCTAGAACTTACCAAAGCAGAAAAACACGTGCACAAT TTCATGATGGATACTCAGCTGACTAAAAGAGTAAAAAATGCAGCTGCCAATGTACTCAGG GAAACATGGCTAATTTACAAAAATACAAAGCTAGTGAAAAAGATAGATCATGCAAAAGTA AGAAAACATCAACGAAAATTCCTGCAAGCTATTCATCAATTAAGAAGTGTAAAAATGGAG CAGAGGAAACTGAATGACCAAGCAAACACTTTGGTGGACTTGGCAAAGACCCAGAACATC ATGTATGATATGATTTCTGACTTAAACGAAAGGAGTGAAGACTTCGAGAAGAGGATTGTT ACCCTGGAAACAAAACTAGAGACTTTGATTGGTAGCATCCACGCCCTCCCTGGGCTCATA AGCCAGACCATCAGGCAGCAGCAGAGAGATTTCATTGAGGCTCAGATGGAGAGCTACGAC AAGCACGTCACTTACAATGCTGAGCGGTCCCGGTCCTCGTCCAGGAGGCGGCGGTCCTCT TCCACAGCACCACCAACTTCATCAGAGAGTAGCTAG
- Chromosome Location
- 5
- Locus
- 5q22.3
- External Identifiers
Resource Link UniProtKB ID Q9H2S1 UniProtKB Entry Name KCNN2_HUMAN GenBank Protein ID 10334701 GenBank Gene ID AF239613 HGNC ID HGNC:6291 - General References
- Desai R, Peretz A, Idelson H, Lazarovici P, Attali B: Ca2+-activated K+ channels in human leukemic Jurkat T cells. Molecular cloning, biochemical and functional characterization. J Biol Chem. 2000 Dec 22;275(51):39954-63. [Article]
- Xu Y, Tuteja D, Zhang Z, Xu D, Zhang Y, Rodriguez J, Nie L, Tuxson HR, Young JN, Glatter KA, Vazquez AE, Yamoah EN, Chiamvimonvat N: Molecular identification and functional roles of a Ca(2+)-activated K+ channel in human and mouse hearts. J Biol Chem. 2003 Dec 5;278(49):49085-94. Epub 2003 Sep 17. [Article]
- 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]
- Schmutz J, Martin J, Terry A, Couronne O, Grimwood J, Lowry S, Gordon LA, Scott D, Xie G, Huang W, Hellsten U, Tran-Gyamfi M, She X, Prabhakar S, Aerts A, Altherr M, Bajorek E, Black S, Branscomb E, Caoile C, Challacombe JF, Chan YM, Denys M, Detter JC, Escobar J, Flowers D, Fotopulos D, Glavina T, Gomez M, Gonzales E, Goodstein D, Grigoriev I, Groza M, Hammon N, Hawkins T, Haydu L, Israni S, Jett J, Kadner K, Kimball H, Kobayashi A, Lopez F, Lou Y, Martinez D, Medina C, Morgan J, Nandkeshwar R, Noonan JP, Pitluck S, Pollard M, Predki P, Priest J, Ramirez L, Retterer J, Rodriguez A, Rogers S, Salamov A, Salazar A, Thayer N, Tice H, Tsai M, Ustaszewska A, Vo N, Wheeler J, Wu K, Yang J, Dickson M, Cheng JF, Eichler EE, Olsen A, Pennacchio LA, Rokhsar DS, Richardson P, Lucas SM, Myers RM, Rubin EM: The DNA sequence and comparative analysis of human chromosome 5. Nature. 2004 Sep 16;431(7006):268-74. [Article]
- 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]
Drug Relations
- Drug Relations
DrugBank ID Name Drug group Pharmacological action? Actions Details DB16733 Rimtuzalcap investigational yes positive allosteric modulator Details DB00721 Procaine approved, investigational, vet_approved unknown blocker Details DB09089 Trimebutine approved yes inhibitor Details DB01110 Miconazole approved, investigational, vet_approved unknown inhibitor Details DB00867 Ritodrine approved, investigational yes activator Details DB01054 Nitrendipine approved, investigational unknown inhibitor Details DB02587 Colforsin experimental, investigational unknown activator Details