FB2026_02 , released June 18, 2026
Allele: Dmel\variB4
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General Information
Symbol
Dmel\variB4
Species
D. melanogaster
Name
FlyBase ID
FBal0240430
Feature type
allele
Associated gene
Dmel\vari
Associated Insertion(s)
P{?EP}variB4
Carried in Construct
Key Links
Genomic Maps

Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
P-element activity
(Moyer and Jacobs, 2008)
Progenitor genotype
P{EP}variGE13049
(Moyer and Jacobs, 2008)
Associated Insertion(s)
P{?EP}variB4
Cytology
Description

Imprecise excision of the progenitor insertion, resulting in a 3806bp deletion that removes part of the vari transcription unit. 27bp of the original element remains.

(Moyer and Jacobs, 2008)
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
deletion
2L:20,793,252..20,797,056 [-]
Comment:

3806bp deletion resulting from the imprecise excision of P{EP}variGE13049. Position of deletion on reference sequence inferred by FlyBase curator.

(Moyer and Jacobs, 2008)
Variant Molecular Consequences
Associated Sequence Data
DDBJ / EMBL / GenBank
DNA sequence
Protein sequence
 
UniProtKB/Swiss-Prot
    UniProtKB/TrEMBL
      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
      References
      Comments on Models/Modifiers Based on Experimental Evidence ( 0 )
       
      Disease-implicated variant(s)
       
      Phenotypic Data
      Interactions
      Show genetic interaction network for Enhancers & Suppressors
      Phenotypic Class
      Phenotype Manifest In
      Additional Comments
      Genetic Interactions
      Statement
      Reference
      Xenogenetic Interactions
      Statement
      Reference
      Complementation and Rescue Data
      Fails to complement

      variGE13049

      (Moyer and Jacobs, 2008)
      Comments
      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (1)
      Reported As
      Symbol Synonym
      variB4
      (Moyer and Jacobs, 2008)
      Name Synonyms
      Secondary FlyBase IDs
        References (1)