Sodium/potassium-transporting ATPase subunit beta-2


NameSodium/potassium-transporting ATPase subunit beta-2
SynonymsAdhesion molecule in glia AMOG Sodium/potassium-dependent ATPase subunit beta-2
Gene NameATP1B2
OrganismHuman
Amino acid sequence
>lcl|BSEQ0020817|Sodium/potassium-transporting ATPase subunit beta-2
MVIQKEKKSCGQVVEEWKEFVWNPRTHQFMGRTGTSWAFILLFYLVFYGFLTAMFTLTMW
VMLQTVSDHTPKYQDRLATPGLMIRPKTENLDVIVNVSDTESWDQHVQKLNKFLEPYNDS
IQAQKNDVCRPGRYYEQPDNGVLNYPKRACQFNRTQLGNCSGIGDSTHYGYSTGQPCVFI
KMNRVINFYAGANQSMNVTCAGKRDEDAENLGNFVMFPANGNIDLMYFPYYGKKFHVNYT
QPLVAVKFLNVTPNVEVNVECRINAANIATDDERDKFAGRVAFKLRINKT
Number of residues290
Molecular Weight33366.925
Theoretical pINone
GO Classification
Functions
    ATPase binding
    ATPase activator activity
    sodium
Processes
    leukocyte migration
    membrane repolarization
    ion transmembrane transport
    protein stabilization
    cell communication by electrical coupling involved in cardiac conduction
    positive regulation of ATPase activity
    transport
    potassium ion import
    positive regulation of sodium ion export from cell
    cell adhesion
    ATP hydrolysis coupled transmembrane transport
    positive regulation of potassium ion import
    blood coagulation
    establishment or maintenance of transmembrane electrochemical gradient
    positive regulation of potassium ion transmembrane transporter activity
    sodium ion export from cell
    cellular potassium ion homeostasis
    transmembrane transport
    cellular sodium ion homeostasis
Components
    apical plasma membrane
    cytoplasm
    sodium
    plasma membrane
General FunctionSodium:potassium-exchanging atpase activity
Specific FunctionThis is the non-catalytic component of the active enzyme, which catalyzes the hydrolysis of ATP coupled with the exchange of Na(+) and K(+) ions across the plasma membrane. The exact function of the beta-2 subunit is not known.Mediates cell adhesion of neurons and astrocytes, and promotes neurite outgrowth.
Transmembrane Regions40-67
GenBank Protein ID
UniProtKB IDP14415
UniProtKB Entry NameAT1B2_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0020818|Sodium/potassium-transporting ATPase subunit beta-2 (ATP1B2)
ATGATTCGCCCCAAGACTGAGAACCTTGATGTCATTGTCAATGTCAGTGACACTGAAAGC
TGGGACCAGCATGTTCAGAAGCTCAACAAGTTCTTGGAGCCTTACAACGACTCTATCCAA
GCCCAAAAGAATGATGTCTGCCGCCCTGGACGCTATTACGAACAGCCAGATAATGGAGTC
CTCAACTACCCCAAACGTGCCTGCCAATTCAACCGGACCCAGCTGGGCAACTGCTCCGGC
ATTGGGGACTCCACCCACTATGGTTACAGCACTGGGCAGCCCTGTGTCTTCATCAAGATG
AACCGGGTCATCAACTTCTATGCAGGAGCAAACCAGAGCATGAATGTTACCTGTGCTGGG
AAGCGAGATGAAGATGCTGAGAATCTCGGCAACTTCGTCATGTTCCCCGCCAACGGCAAC
ATCGACCTCATGTACTTCCCCTACTATGGCAAAAAGTTCCACGTGAACTACACACAGCCC
CTGGTGGCTGTGAAGTTCCTGAATGTGACCCCCAACGTGGAGGTGAATGTAGAATGTCGC
ATCAACGCCGCCAACATCGCCACAGACGATGAGCGAGACAAGTTCGCCGGCCGCGTGGCC
TTCAAACTCCGCATCAACAAAACCTGA
GenBank Gene ID
GeneCard IDNone
GenAtlas ID
HGNC IDHGNC:805
Chromosome Location17
LocusNone
References
  1. Hernando N, Martin-Vasallo P, Ghosh S, Ghosh PK, Swaroop A, Coca-Prados M: Nucleotide sequence of a cDNA for the beta 2 subunit isoform of Na+,K(+)-ATPase from human retina. Biochim Biophys Acta. 1994 Jan 3;1189(1):109-11.[8305453 ]
  2. Ruiz A, Bhat SP, Bok D: Expression and synthesis of the Na,K-ATPase beta 2 subunit in human retinal pigment epithelium. Gene. 1996 Oct 17;176(1-2):237-42.[8918259 ]
  3. Avila J, Alvarez de la Rosa D, Gonzalez-Martinez LM, Lecuona E, Martin-Vasallo P: Structure and expression of the human Na,K-ATPase beta 2-subunit gene. Gene. 1998 Feb 27;208(2):221-7.[9524271 ]
  4. 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.[15489334 ]
  5. Martin-Vasallo P, Dackowski W, Emanuel JR, Levenson R: Identification of a putative isoform of the Na,K-ATPase beta subunit. Primary structure and tissue-specific expression. J Biol Chem. 1989 Mar 15;264(8):4613-8.[2538450 ]
  6. Bab-Dinitz E, Albeck S, Peleg Y, Brumfeld V, Gottschalk KE, Karlish SJ: A C-terminal lobe of the beta subunit of Na,K-ATPase and H,K-ATPase resembles cell adhesion molecules. Biochemistry. 2009 Sep 15;48(36):8684-91. doi: 10.1021/bi900868e.[19694409 ]
  7. Chen R, Jiang X, Sun D, Han G, Wang F, Ye M, Wang L, Zou H: Glycoproteomics analysis of human liver tissue by combination of multiple enzyme digestion and hydrazide chemistry. J Proteome Res. 2009 Feb;8(2):651-61. doi: 10.1021/pr8008012.[19159218 ]
  8. 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.[14702039 ]

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