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Ir7g Ionotropic receptor 7g [ Drosophila melanogaster (fruit fly) ]

Gene ID: 31694, updated on 6-Jul-2026
Official Symbol
Ir7gprovided by FlyBase
Official Full Name
Ionotropic receptor 7gprovided by FlyBase
Primary source
FLYBASE:FBgn0029968
Locus tag
Dmel_CG15325
See related
AllianceGenome:FB:FBgn0029968
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Drosophila melanogaster
Lineage
Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota; Neoptera; Endopterygota; Diptera; Brachycera; Muscomorpha; Ephydroidea; Drosophilidae; Drosophila; Sophophora
Also known as
7g; CG15325; DmelIR7g; Dmel\CG15325; IR7g
Summary
Predicted to enable ligand-gated monoatomic ion channel activity. Predicted to be involved in detection of chemical stimulus. Predicted to be located in membrane. Is expressed in embryonic/larval gustatory receptor neurons; larval abdomen; and terminal organ. [provided by Alliance of Genome Resources, Jul 2025]
Orthologs
all
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See Ir7g in Genome Data Viewer
Location:
7C1-7C1; 1-21 cM
Exon count:
3
Annotation release Status Assembly Chr Location
Release 6.54 current Release 6 plus ISO1 MT (GCF_000001215.4) X NC_004354.4 (7884660..7886976)
Release 5.57 previous assembly Release 5 (GCF_000001215.2) X NC_004354.3 (7778693..7781009)

Chromosome X - NC_004354.4Genomic Context describing neighboring genes Neighboring gene Ionotropic receptor 7e Neighboring gene Ionotropic receptor 7f Neighboring gene Acetyl-CoA acetyltransferase 1 Neighboring gene Nek2

Go to nucleotide: Graphics FASTA GenBank

Related articles in PubMed

  1. A molecular and neuronal basis for amino acid sensing in the Drosophila larva. Croset V, et al. Sci Rep, 2016 Dec 16. PMID 27982028, Free PMC Article
  2. Ionotropic receptors mediate arachidic acid perception and food avoidance behavior in Drosophila melanogaster. Pradhan RN, et al. Mol Cells, 2025 Dec. PMID 41192484, Free PMC Article
  3. A single pair of pharyngeal neurons functions as a commander to reject high salt in Drosophila melanogaster. Sang J, et al. Elife, 2024 Apr 4. PMID 38573740, Free PMC Article
  4. Avoiding alkaline taste through ionotropic receptors. Pandey P, et al. iScience, 2024 Jun 21. PMID 38947501, Free PMC Article
  5. Cholesterol taste avoidance in Drosophila melanogaster. Nhuchhen Pradhan R, et al. Elife, 2025 Apr 17. PMID 40244888, Free PMC Article

See all (28) citations in PubMed

GeneRIFs: Gene References Into Functions

Homology

Gene Ontology Provided by FlyBase

Function Evidence Code Pubs
enables ligand-gated monoatomic ion channel activity ISM
Inferred from Sequence Model
more info
 PubMed 
Process Evidence Code Pubs
involved_in detection of chemical stimulus ISS
Inferred from Sequence or Structural Similarity
more info
 PubMed 
involved_in detection of chemical stimulus involved in sensory perception IEA
Inferred from Electronic Annotation
more info
  
involved_in monoatomic ion transmembrane transport IEA
Inferred from Electronic Annotation
more info
  
Component Evidence Code Pubs
located_in membrane ISM
Inferred from Sequence Model
more info
 PubMed 
located_in plasma membrane IEA
Inferred from Electronic Annotation
more info
  
Preferred Names
ionotropic receptor 7g
Names
CG15325-PB
Ir7g-PB

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

  1. NC_004354.4 Reference assembly

    Range
    7884660..7886976
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NM_001382032.1 → NP_001368933.1  ionotropic receptor 7g

    Status: REVIEWED

    UniProtKB/TrEMBL
    Q9W3P0
Nucleotide Protein
Heading Accession and Version
Protein Accession Links
GenPept Link UniProtKB Link
Q9W3P0 Q9W3P0

Gene LinkOut

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