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Entry version 150 (02 Jun 2021)
Sequence version 1 (01 May 2000)
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Protein

Innexin inx3

Gene

Inx3

Organism
Drosophila melanogaster (Fruit fly)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<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

Structural components of the gap junctions. Essential for proper epithelial development of the epidermis.

1 Publication

<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

GO - Biological processi

<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

Molecular functionDevelopmental protein, Ion channel
Biological processIon transport, Transport

<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

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Innexin inx3
Short name:
Innexin-3
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:Inx3
ORF Names:CG1448
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiDrosophila melanogaster (Fruit fly)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri7227 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraEndopterygotaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000803 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 3R

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0265274, Inx3

<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

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini1 – 37CytoplasmicSequence analysisAdd BLAST37
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei38 – 58HelicalPROSITE-ProRule annotationAdd BLAST21
Topological domaini59 – 114ExtracellularSequence analysisAdd BLAST56
Transmembranei115 – 135HelicalPROSITE-ProRule annotationAdd BLAST21
Topological domaini136 – 183CytoplasmicSequence analysisAdd BLAST48
Transmembranei184 – 204HelicalPROSITE-ProRule annotationAdd BLAST21
Topological domaini205 – 272ExtracellularSequence analysisAdd BLAST68
Transmembranei273 – 293HelicalPROSITE-ProRule annotationAdd BLAST21
Topological domaini294 – 395CytoplasmicSequence analysisAdd BLAST102

Keywords - Cellular componenti

Cell junction, Cell membrane, Cytoplasm, Gap junction, Membrane

<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

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00002084981 – 395Innexin inx3Add BLAST395

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei366Phosphoserine1 Publication1
Modified residuei377Phosphoserine1 Publication1
Modified residuei381Phosphotyrosine1 Publication1

Keywords - PTMi

Phosphoprotein

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q9VAS7

PRoteomics IDEntifications database

More...
PRIDEi
Q9VAS7

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q9VAS7

<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

In ovary, expressed in nurse cells and follicle cells. Expressed in embryonic epithelial cells. Ubiquitously expressed in stage 5 embryos. Expressed in foregut and hindgut from stage 11-17 and in proventriculus, epidermis and CNS in stage 16 embryos (at protein level). Expressed in anterior and ventral regions in stage 8 embryos. Repeating epidermal pattern emerges at stage 11, refines to one or two cells at each side of the segment borders by stage 13. Expressed in the imaginal wing disk. In pupae, expressed in the CNS and in secondary and tertiary pigment cells of the retina.4 Publications

<p>This subsection of the 'Expression' section provides information on the expression of the gene product at various stages of a cell, tissue or organism development. By default, the information is derived from experiments at the mRNA level, unless specified 'at the protein level'.<p><a href='/help/developmental_stage' target='_top'>More...</a></p>Developmental stagei

Expressed during embryogenesis (at protein level). Expressed in larvae and pupae.2 Publications

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
FBgn0265274, Expressed in wing disc (Drosophila) and 60 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q9VAS7, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q9VAS7, DM

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Heterooligomer of Inx2 (via cytoplasmic C-terminal region) and Inx3 (via cytoplasmic C-terminal region).

1 Publication

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
68931, 4 interactors

Database of interacting proteins

More...
DIPi
DIP-21773N

Protein interaction database and analysis system

More...
IntActi
Q9VAS7, 4 interactors

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0303338

<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

<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

<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

Belongs to the pannexin family.PROSITE-ProRule annotation

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG502S565, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_035763_1_1_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9VAS7

Identification of Orthologs from Complete Genome Data

More...
OMAi
PISCIND

Database of Orthologous Groups

More...
OrthoDBi
738314at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9VAS7

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000990, Innexin

The PANTHER Classification System

More...
PANTHERi
PTHR11893, PTHR11893, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00876, Innexin, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR01262, INNEXIN

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51013, PANNEXIN, 1 hit

<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%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequence (1+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

This entry has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

Q9VAS7-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAVFGMVSAV SGFIKIRYLL DKAVIDNMVF RCHYRITTAI LFTCCIIVTA
60 70 80 90 100
NNLIGDPISC INDGAIPMHV INTFCWITYT YTIPGQQHRQ IGTDVAGPGL
110 120 130 140 150
GNEYGQEKRY HSYYQWVPFV LFFQGLMFYV PHWVWKNMED GKIRMITDGL
160 170 180 190 200
RGMVSVPDDY RRDRQDRILK YFVNSLNTHN GYSFAYFFCE LLNFINVIVN
210 220 230 240 250
IFMVDKFLGG AFMSYGTDVL KFSNMDQDKR FDPMIEIFPR LTKCTFHKFG
260 270 280 290 300
PSGSVQKHDT LCVLALNILN EKIYIFLWFW FIILATISGV AVLYSLVVIM
310 320 330 340 350
MPTTRETIIK RSYRSAQRKE IAGLVRRLEI GDFLILHFLS QNLSTRSYSD
360 370 380 390
MLQQLCGLLG ASRTPSAPST LEMNRISHPI YPPVETFGGG KETET
Length:395
Mass (Da):45,357
Last modified:May 1, 2000 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i86593F952D9DDC07
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
A0A0B4LHT3A0A0B4LHT3_DROME
Innexin
Inx3 anon-EST:fe2B11, Dm-Inx3, Dm-inx3, Dmel\CG1448, FBpp0084719
395Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AF172258 mRNA Translation: AAF87944.1
AE014297 Genomic DNA Translation: AAF56822.1
AY058643 mRNA Translation: AAL13872.1

NCBI Reference Sequences

More...
RefSeqi
NP_001263050.1, NM_001276121.1
NP_001287575.1, NM_001300646.1
NP_524730.1, NM_079991.3

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0085350; FBpp0084719; FBgn0265274
FBtr0330306; FBpp0303338; FBgn0265274
FBtr0345207; FBpp0311402; FBgn0265274

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
44266

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG1448

<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

<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

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF172258 mRNA Translation: AAF87944.1
AE014297 Genomic DNA Translation: AAF56822.1
AY058643 mRNA Translation: AAL13872.1
RefSeqiNP_001263050.1, NM_001276121.1
NP_001287575.1, NM_001300646.1
NP_524730.1, NM_079991.3

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

SWISS-MODEL Interactive Workspace

More...
SWISS-MODEL-Workspacei
Submit a new modelling project...

Protein-protein interaction databases

BioGRIDi68931, 4 interactors
DIPiDIP-21773N
IntActiQ9VAS7, 4 interactors
STRINGi7227.FBpp0303338

PTM databases

iPTMnetiQ9VAS7

Proteomic databases

PaxDbiQ9VAS7
PRIDEiQ9VAS7

Protocols and materials databases

The DNASU plasmid repository

More...
DNASUi
44266

Genome annotation databases

EnsemblMetazoaiFBtr0085350; FBpp0084719; FBgn0265274
FBtr0330306; FBpp0303338; FBgn0265274
FBtr0345207; FBpp0311402; FBgn0265274
GeneIDi44266
KEGGidme:Dmel_CG1448

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
44266
FlyBaseiFBgn0265274, Inx3

Phylogenomic databases

eggNOGiENOG502S565, Eukaryota
HOGENOMiCLU_035763_1_1_1
InParanoidiQ9VAS7
OMAiPISCIND
OrthoDBi738314at2759
PhylomeDBiQ9VAS7

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...
BioGRID-ORCSi
44266, 0 hits in 1 CRISPR screen

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

More...
ChiTaRSi
Inx3, fly

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...
GenomeRNAii
44266

Protein Ontology

More...
PROi
PR:Q9VAS7

Gene expression databases

BgeeiFBgn0265274, Expressed in wing disc (Drosophila) and 60 other tissues
ExpressionAtlasiQ9VAS7, baseline and differential
GenevisibleiQ9VAS7, DM

Family and domain databases

InterProiView protein in InterPro
IPR000990, Innexin
PANTHERiPTHR11893, PTHR11893, 1 hit
PfamiView protein in Pfam
PF00876, Innexin, 1 hit
PRINTSiPR01262, INNEXIN
PROSITEiView protein in PROSITE
PS51013, PANNEXIN, 1 hit

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<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 subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiINX3_DROME
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q9VAS7
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 1, 2000
Last sequence update: May 1, 2000
Last modified: June 2, 2021
This is version 150 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programDrosophila annotation project

<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

Keywords - Technical termi

Reference proteome

Documents

  1. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  2. SIMILARITY comments
    Index of protein domains and families
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