Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 2

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functionⁱ

Miscellaneous

<p>This subsection of the ‘Function’ section describes an enzyme regulatory mechanism and reports the components which regulate (by activation or inhibition) the reaction.<p><a href='/help/enzyme_regulation' target='_top'>More...</a></p>Enzyme regulationⁱ

Regions

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functionⁱ

• cAMP binding Source: UniProtKB-KW
• identical protein binding Source: IntAct <p>Inferred from Physical Interaction</p> <p>Covers physical interactions between the gene product of interest and another molecule (or ion, or complex).</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ipi">GO evidence code guide</a></p> Inferred from physical interactionⁱ
  • 22006928
• intracellular cAMP activated cation channel activity Source: UniProtKB <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ
  • 10228147
• voltage-gated potassium channel activity Source: UniProtKB <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ
  • 10228147
• voltage-gated sodium channel activity Source: UniProtKB <p>Inferred from Mutant Phenotype</p> <p>Describes annotations that are concluded from looking at variations or changes in a gene product such as mutations or abnormal levels and includes techniques such as knockouts, overexpression, anti-sense experiments and use of specific protein inhibitors.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#imp">GO evidence code guide</a></p> Inferred from mutant phenotypeⁱ
  • 22748890

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Biological processⁱ

• cell-cell signaling Source: ProtInc <p>Traceable Author Statement</p> <p>Used for information from review articles where the original experiments are traceable through that article and also for information from text books or dictionaries.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#tas">GO evidence code guide</a></p> Traceable author statementⁱ
  • 9630217
• cellular response to cAMP Source: UniProtKB <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ
  • 10228147
  • 22748890
• cellular response to cGMP Source: UniProtKB <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ
  • 22748890
• membrane depolarization during cardiac muscle cell action potential Source: BHF-UCL <p>Inferred by Curator</p> <p>Used for cases where an annotation is not supported by any evidence but can be reasonably inferred by a curator from other GO annotations for which evidence <br />is available.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ic">GO evidence code guide</a></p> Inferred by curatorⁱ
  • 10228147
• potassium ion import across plasma membrane Source: BHF-UCL <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ
  • 10228147
• potassium ion transmembrane transport Source: UniProtKB <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ
  • 10228147
• regulation of ion transmembrane transport Source: UniProtKB-KW
• regulation of membrane potential Source: UniProtKB <p>Inferred from Mutant Phenotype</p> <p>Describes annotations that are concluded from looking at variations or changes in a gene product such as mutations or abnormal levels and includes techniques such as knockouts, overexpression, anti-sense experiments and use of specific protein inhibitors.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#imp">GO evidence code guide</a></p> Inferred from mutant phenotypeⁱ
  • 22748890
• sodium ion import across plasma membrane Source: BHF-UCL <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ
  • 10228147
• sodium ion transmembrane transport Source: UniProtKB <p>Inferred from Mutant Phenotype</p> <p>Describes annotations that are concluded from looking at variations or changes in a gene product such as mutations or abnormal levels and includes techniques such as knockouts, overexpression, anti-sense experiments and use of specific protein inhibitors.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#imp">GO evidence code guide</a></p> Inferred from mutant phenotypeⁱ
  • 22748890

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsⁱ

Enzyme and pathway databases

Protein family/group databases

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyⁱ

Organism-specific databases

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationⁱ

Topology

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Cellular componentⁱ

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechⁱ

Organism-specific databases

Chemistry databases

Polymorphism and mutation databases

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingⁱ

Molecule processing

Amino acid modifications

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationⁱ

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - PTMⁱ

Proteomic databases

PTM databases

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressionⁱ

<p>This subsection of the ‘Expression’ section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’. <br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityⁱ

Gene expression databases

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactionⁱ

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structureⁱ

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction_section%27">Interaction</a> section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="http://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated on a monthly basis. Each binary interaction is displayed on a separate line.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsⁱ

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functionⁱ

• identical protein binding Source: IntAct <p>Inferred from Physical Interaction</p> <p>Covers physical interactions between the gene product of interest and another molecule (or ion, or complex).</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ipi">GO evidence code guide</a></p> Inferred from physical interactionⁱ
  • 22006928

Protein-protein interaction databases

Chemistry databases

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structureⁱ

Secondary structure

3D structure databases

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsⁱ

Region

Compositional bias

<p>This subsection of the ‘Family and domains’ section provides general information on the biological role of a domain. The term ‘domain’ is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domainⁱ

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesⁱ

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Domainⁱ

Phylogenomic databases

Family and domain databases

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequenceⁱ

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusⁱ: Complete.

        10         20         30         40         50
MDARGGGGRP GESPGATPAP GPPPPPPPAP PQQQPPPPPP PAPPPGPGPA 
        60         70         80         90        100
PPQHPPRAEA LPPEAADEGG PRGRLRSRDS SCGRPGTPGA ASTAKGSPNG 
       110        120        130        140        150
ECGRGEPQCS PAGPEGPARG PKVSFSCRGA ASGPAPGPGP AEEAGSEEAG 
       160        170        180        190        200
PAGEPRGSQA SFMQRQFGAL LQPGVNKFSL RMFGSQKAVE REQERVKSAG 
       210        220        230        240        250
AWIIHPYSDF RFYWDFTMLL FMVGNLIIIP VGITFFKDET TAPWIVFNVV 
       260        270        280        290        300
SDTFFLMDLV LNFRTGIVIE DNTEIILDPE KIKKKYLRTW FVVDFVSSIP 
       310        320        330        340        350
VDYIFLIVEK GIDSEVYKTA RALRIVRFTK ILSLLRLLRL SRLIRYIHQW 
       360        370        380        390        400
EEIFHMTYDL ASAVMRICNL ISMMLLLCHW DGCLQFLVPM LQDFPRNCWV 
       410        420        430        440        450
SINGMVNHSW SELYSFALFK AMSHMLCIGY GRQAPESMTD IWLTMLSMIV 
       460        470        480        490        500
GATCYAMFIG HATALIQSLD SSRRQYQEKY KQVEQYMSFH KLPADFRQKI 
       510        520        530        540        550
HDYYEHRYQG KMFDEDSILG ELNGPLREEI VNFNCRKLVA SMPLFANADP 
       560        570        580        590        600
NFVTAMLTKL KFEVFQPGDY IIREGTIGKK MYFIQHGVVS VLTKGNKEMK 
       610        620        630        640        650
LSDGSYFGEI CLLTRGRRTA SVRADTYCRL YSLSVDNFNE VLEEYPMMRR 
       660        670        680        690        700
AFETVAIDRL DRIGKKNSIL LHKVQHDLNS GVFNNQENAI IQEIVKYDRE 
       710        720        730        740        750
MVQQAELGQR VGLFPPPPPP PQVTSAIATL QQAAAMSFCP QVARPLVGPL 
       760        770        780        790        800
ALGSPRLVRR PPPGPAPAAA SPGPPPPASP PGAPASPRAP RTSPYGGLPA 
       810        820        830        840        850
APLAGPALPA RRLSRASRPL SASQPSLPHG APGPAASTRP ASSSTPRLGP 
       860        870        880 
TPAARAAAPS PDRRDSASPG AAGGLDPQDS ARSRLSSNL             

Experimental Info

Natural variant

Sequence databases

Genome annotation databases

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Coding sequence diversityⁱ

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsⁱ

• 100% Identity
• 90% Identity
• 50% Identity

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesⁱ

Sequence databases

3D structure databases

Protein-protein interaction databases

Chemistry databases

Protein family/group databases

PTM databases

Polymorphism and mutation databases

Proteomic databases

Protocols and materials databases

Genome annotation databases

Organism-specific databases

Phylogenomic databases

Enzyme and pathway databases

Miscellaneous databases

Gene expression databases

Family and domain databases

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationⁱ

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousⁱ

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Technical termⁱ

Documents

1. Human chromosome 19
   Human chromosome 19: entries, gene names and cross-references to MIM
2. Human entries with polymorphisms or disease mutations
   List of human entries with polymorphisms or disease mutations
3. Human polymorphisms and disease mutations
   Index of human polymorphisms and disease mutations
4. MIM cross-references
   Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
5. PDB cross-references
   Index of Protein Data Bank (PDB) cross-references
6. SIMILARITY comments
   Index of protein domains and families