FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\nompC4
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General Information
Symbol
Dmel\nompC4
Species
D. melanogaster
Name
FlyBase ID
FBal0008345
Feature type
allele
Associated gene
Associated Insertion(s)
Carried in Construct
Key Links
Genomic Maps

Allele class
Nature of the Allele
Allele class
Progenitor genotype
Cytology
Description

Amino acid replacement: C1400Y. Nucleotide substitution: G4820A.

Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
Nucleotide change:

G5360139A

Amino acid change:

C1400Y | nompC-PD; C1400Y | nompC-PE; C1400Y | nompC-PF; C1400Y | nompC-PG; C1400Y | nompC-PH

Reported amino acid change:

C1400Y

Variant Molecular Consequences
Associated Sequence Data
DNA sequence
Protein sequence
 
Expression Data
Reporter Expression
Additional Information
Statement
Reference
 
Marker for
Reflects expression of
Reporter construct used in assay
Human Disease Associations
Disease Ontology (DO) Annotations
Models Based on Experimental Evidence ( 0 )
Disease
Evidence
References
Modifiers Based on Experimental Evidence ( 0 )
Disease
Interaction
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Comments on Models/Modifiers Based on Experimental Evidence ( 0 )
 
Disease-implicated variant(s)
 
Phenotypic Data
Phenotypic Class
Phenotype Manifest In
Detailed Description
Statement
Reference

Crawling speed of homozygous larvae is reduced compared to controls.

Mutants have greatly reduced but not eliminated sound-evoked antennal potentials.

nompC3/nompC4 mutants retain a preference for 18[o]C (i.e. are thermotactic).

Flies show moderate uncoordination. Mechanoreceptor currents are comparable in amplitude to normal though adaptation is altered. Time constant for adaptation is reduced from wild type 277ms to 50ms. The frequency of action potentials is reduced two fold.

External Data
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Phenotypic Class
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Genetic Interactions
Statement
Reference
Xenogenetic Interactions
Statement
Reference
Complementation and Rescue Data
Rescued by
Comments
Images (0)
Mutant
Wild-type
Stocks (0)
Notes on Origin
Discoverer
Comments
Comments

Due to a naming clash that goes back many years, two different alleles of nompC, with contrasting molecular lesions, were named nompC[4]. Thanks to user input, we have been able to disambiguate these two alleles. They are now called nompC[4] and nompC[b19]. The nompC[4] allele was generated in the Zuker lab by EMS (FBrf0127378). The nompC[h25] allele was made by Szidonya and Reuter (FBrf0047784) and published in 1988 as jf24[h25]. Allele jf24[h25] was renamed in Lindsley and Zimm 1992 (p. 353) as l(2)25Dc[4]. Allele l(2)25Dc[4] subsequently became nompC[4] based on a foot note in Kernan et al., 1994 (FBrf0073546) identifying l(2)25Dc as nompC. The references and data for jf24[h25]/l(2)25Dc[4]/nompC[4] have now been split from the nompC[4] FlyBase record and are associated with allele nompC[h25].

External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (3)
Reported As
Name Synonyms
Secondary FlyBase IDs
    References (9)