Protein detail

KCNE3

Potassium voltage-gated channel subfamily E member 3 (MinK-related peptide 2) (MiRP2) (Minimum potassium ion channel-related peptide 2) (Potassium channel subunit beta MiRP2)

Entry name
KCNE3
UniProt ID
EVMP confidence score
0.53
Supporting publications (n)
1
Transmembrane count
1
Protein classification
Disease related genesHuman disease related genesPotential drug targetsPredicted intracellular proteinsPredicted membrane proteinsTransporters
Basic Information
Protein Names
Potassium voltage-gated channel subfamily E member 3 (MinK-related peptide 2) (MiRP2) (Minimum potassium ion channel-related peptide 2) (Potassium channel subunit beta MiRP2)
Protein Class (6)
Disease related genesHuman disease related genesPotential drug targetsPredicted intracellular proteinsPredicted membrane proteinsTransporters
Protein Function (5)
  • Predicted intracellular proteins
  • Potential drug targets
  • Transporters:Accessory Factors Involved in Transport
  • Disease related genes
  • Human disease related genes:Cardiovascular diseases:Cardiac diseases
Transmembrane
57..77; Helical
Transmembrane Count
1
Entrez Gene Symbol
Gene Synonym (2)
HOKPPMiRP2
Gene Description
Potassium voltage-gated channel subfamily E regulatory subunit 3
Chromosome
11
Position
74454841-74467729
Supporting publications (n)
1
EVMP confidence score
0.53
Fluorescence & Localization
KCNE3 fluorescence
Function & Pathway
Relations & Evidence33

Enzyme-Mediated Modification (1)

1 record.

Substrate Gene SymbolEnzyme Gene SymbolEnzyme UniProt IDResidue TypeResidue OffsetModificationDatabaseReferences
KCNE3PRKCAP17252S82phosphorylationPhosphoSite_MIMPMIMPProtMapperPhosphoSitePhosphoSite_ProtMapper

Ligand-Receptor Signaling (28)

28 records.

CategoryParentDatabaseTransmitterReceiverSecretedPlasma Membrane (Transmembrane)Plasma Membrane (Peripheral)
plasma_membraneplasma_membraneUniProt_locationYes
plasma_membraneplasma_membraneOmniPathYes
plasma_membrane_transmembraneplasma_membrane_transmembraneMembranomeYes
plasma_membrane_transmembraneplasma_membrane_transmembraneOmniPathYes
transmembranetransmembrane_predictedPhobiusYes
transmembrane_phobiustransmembrane_predictedAlmen2009Yes
transmembrane_sosuitransmembrane_predictedAlmen2009Yes
transmembrane_tmhmmtransmembrane_predictedAlmen2009Yes
Page 3 of 3Previous

Regulatory Interaction Network (3)

3 records.

Source Protein SymbolSource UniProt IDTarget Protein SymbolTarget UniProt IDIs DirectedIs StimulationIs InhibitionDatabaseReferences
KPCDQ05655KCNE3Q9Y6H6YesYesSIGNORSIGNOR:21911611
KCNE3Q9Y6H6KCNQ1P51787YesYesHINTSIGNORHINT:31883792SIGNOR:21911611
KPCAP17252KCNE3Q9Y6H6YesPhosphoSite_MIMPMIMPiPTMnetProtMapperPhosphoSitePhosphoSite_ProtMapperPhosphoSite:16449802PhosphoSite:21911611

Isolation & Detection Technology (1)

1 record.

EV Isolation MethodDetection MethodNumber of ReferencesReferences
Mass spectrometry0
Sequence, Structure & Domains

Sequences

Length
103
Mass
11,710
Sequence
METTNGTETWYESLHAVLKALNATLHSNLLCRPGPGLGPDNQTEERRASLPGRDDNSYMYILFVMFLFAVTVGSLILGYTRSRKVDKRSDPYHVYIKNRVSMI

3D Structural Models

Helix
8..29; 57..80; 91..98
3D Structure
Electron microscopy (3); NMR spectroscopy (1)

Domain & Motif Annotations

Compositional Bias
43..53; Basic and acidic residues
Region
32..53; Disordered; 68..79; Interaction with KCNQ1
Protein Families
Potassium channel KCNE family
Sequence Similarities
Belongs to the potassium channel KCNE family.
Clinical Relevance
Disease Involvement (2)
Brugada syndromeDisease variant
Related Diseases
Antibody
Supporting Publications1
PMIDTitleRelated sentences
12519789Proteomic and biochemical analyses of human B cell-derived exosomes. Potential implications for their function and multivesicular body formation.An alpha 4-integrin may direct B cell-derived exosomes to follicular dendritic cells, which were described previously as potential target cells. Most exosome-associated proteins, including MHC class II and tetraspanins, were insoluble in 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonic acid (CHAPS)-containing buffers.