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KCNJ1


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Symbol:KCNJ1
Name(s):potassium inwardly-rectifying channel, subfamily J, member 1
Type:protein-coding
Organism:Homo sapiens
Synonyms:KIR1.1, ROMK, ROMK1
Links: Pubmed, Entrez Gene, GeneCards, BioGPS, Map Viewer.

Gene Information from Publications

Publication Link Summary of findings
17401586 A novel mutation in KCNJ1 in a Bartter syndrome case diagnosed as pseudohypoaldosteronism.
16428287 ROMK is antagonistically regulated by long and kidney-specific WNK1 isoforms
15987778 NH(2)-terminal phosphorylation modifying a COOH-terminal ER retention signal in ROMK1 could serve as a checkpoint for proper subunit folding critical to channel gating.
15895241 Findings support the proposed role of ROMK channels in potassium recycling and in the regulation of K+ secretion and present a rationale for the phenotype observed in patients with ROMK deficiency.
12381810 One disease-causing mutation in the ROMK channel truncates the extreme COOH-terminus and induces a closed gating conformation.
12589089 In a heterozgous Bartter syndrome patient, AA exchanges Arg338Stop & Met357Thr in ROMK exon 5 alter the C-terminus of the ROMK protein & can affect channel function.
17380208 molecular mechanism for stimulation of endocytosis of ROMK1 by WNK kinases
12221079 ROMK1 is a substrate of PKC and that serine residues 4 and 201 are the two main PKC phosphorylation sites that are essential for the expression of ROMK1 in the cell surface

Interacting gene products

Interaction Type Gene 1 Gene 2 Interaction description Complex Publication Link
HPRDPotassium channel inwardly rectifying subfamily J member 1solute carrier family 9, isoform 3 regulator 1--Pubmed
HPRDpotassium inwardly-rectifying channel J1 isoform aSolute carrier family 9, isoform 3, regulatory factor 2--Pubmed
HPRDpotassium inwardly-rectifying channel J1 isoform aSolute carrier family 9, isoform A3, regulatory factor 1--Pubmed
BINDpotassium inwardly-rectifying channel J1 isoform asolute carrier family 9, isoform 3 regulator 1An unspecified isoform of ROMK interacts with NHERF-1. This interaction was modeled on a demonstrated interaction between Rat ROMK2 and Human NHERF-1.-Pubmed
BINDpotassium inwardly-rectifying channel J1 isoform asolute carrier family 9 isoform 3 regulator 2ROMK interacts with NHERF-2. This interaction was modeled on a demonstrated interaction between rat ROMK2, and human NHERF-2.-Pubmed

Recent Publications on KCNJ1:

Pubmed Logo
Re: research in areas of transport physiology.
Cells in taste buds are closely packed, with little extracellular space....
29th October, 2009
Am J Physiol Renal Physiol. 2009 Oct;297(4):F837. Epub 2009 Aug 19.
DOI Direct Link
An intersubunit salt bridge near the selectivity filter stabilizes the active state of Kir1.1.
ROMK (Kir1.1) potassium channels are closed by internal acidification with...
29th October, 2009
Department of Physiology and Biophysics, The Chicago Medical School, Biophys J. 2009 Aug 19;97(4):1058-66.
DOI Direct Link
A comprehensive guide to the ROMK potassium channel: form and function in health and disease.
The discovery of the renal outer medullary K+ channel (ROMK, K(ir)1.1),...
29th October, 2009
Dept. of Physiology, Univ. of Maryland School of Medicine, 655 W. Am J Physiol Renal Physiol. 2009 Oct;297(4):F849-63. Epub 2009 May 20.
DOI Direct Link
Inward rectifier channel, ROMK, is localized to the apical tips of glial-like cells in mouse taste buds.
Cells in taste buds are closely packed, with little extracellular space....
5th September, 2009
Department of Physiology & Biophysics, University of Miami Miller School J Comp Neurol. 2009 Nov 10;517(2):spc1.
DOI Direct Link
Inward rectifier channel, ROMK, is localized to the apical tips of glial-like cells in mouse taste buds.
Cells in taste buds are closely packed, with little extracellular space....
27th August, 2009
Department of Physiology & Biophysics, University of Miami Miller School J Comp Neurol. 2009 Nov 1;517(1):1-14.
DOI Direct Link

View more research publications.

Patents:

Patents logo
US Patent No.Title
7588771 Microorganisms for therapy
6727063 Single nucleotide polymorphisms in genes
6936417 Gene expression in bladder tumors
7208313 Combined growth factor-deleted and thymidine kinase-deleted vaccinia virus vector
7276206 Electrical field stimulation of eukaryotic cells

View more patents.

KCNJ1 results (if any) from reagent suppliers

Google CSE Logo
KCNJ1 antibodies: Signal Transduction > Metabolism > Plasma ...
KCNJ1 antibodies. ... KCNJ1 antibody - Cytoplasmic domain. IHC-P, WB, IHC-Fr. Rabbit polyclonal. Reacts with: Hu. Predicted: Ms, Rat ...
http://www.abcam.com/index.html?t=272897&pt=1&c=2375&ei=&mu=...

Thumbshot
ROM-K (E-20) Antibody sc-10694
Human, KCNJ1, 3758, 11q24.3, NM_000220, NM_153764, NM_153765, NM_153766, NM_153767 · P48048 · 600359. Mouse, Kcnj1, 56379, 9 A4, O88335 ...
http://www.scbt.com/datasheet-10694-rom-k-e-20-antibody.html...

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Complete Solutions for Ion Channels
KCNJ1, NM_153764, potassium inwardly-rectifying channel: subfamily J: member 1, P0856. KCNJ2, NM_008425, potassium inwardly-rectifying channel: subfamily J: ...
http://www.sigmaaldrich.com/life-science/functional-genomics...

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WNK4 antibody (ab3965) | Abcam
It also inhibits the renal K(+) channel KCNJ1 via a kinase independent mechanism , by which it induces clearance of the protein from the cell surface by ...
http://www.abcam.com/WNK4-antibody-ab3965.html...

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ROM-K (N-17) Antibody sc-10692
... Protein Accession #, OMIMâ„¢ Number. Human, KCNJ1, 3758, 11q24.3, NM_000220, NM_153764, NM_153765, NM_153766, NM_153767 · P48048 ...
http://www.scbt.com/datasheet-10692-rom-k-n-17-antibody.html...

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Abcam antibodies and reagents product map
... Inositol Hexakisphosphate Kinase 2 antibodies (2) · KCNIP1 antibodies (1) · KCNJ1 antibodies (2) · Mucolipin 1 antibodies (6) · NCKX2 antibodies (1) ...
http://www.abcam.com/index.html?c=2105...

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ROM-K siRNA (m) sc-42633
Species, Gene Name, Gene ID, Chromosome Location, Isoform (mRNA) Accession #, Protein Accession #, OMIMâ„¢ Number. Mouse, Kcnj1, 56379, 9 A4, O88335 ...
http://www.scbt.com/datasheet-42633-rom-k-sirna-m.html...

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