FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Allele: Dmel\Antp20
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General Information
Symbol
Dmel\Antp20
Species
D. melanogaster
Name
FlyBase ID
FBal0000561
Feature type
allele
Associated gene
Dmel\Antp
Associated Insertion(s)
Carried in Construct
Also Known As
EeR4
Key Links
Allele class

hypomorphic allele - genetic evidence

Mutagen
Nature of the Allele
Allele class

hypomorphic allele - genetic evidence

Mutagen
ethyl methanesulfonate
(Lewis et al., 1980, Lewis et al., 1980)
Progenitor genotype
Cytology

Polytene chromosomes normal.

Description
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
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
      Phenotypic Class
      Phenotype Manifest In
      Detailed Description
      Statement
      Reference

      X ray induced somatic clones homozygous for Antp20 demonstrate that leg development is not defective but there was some aberrant anterior mesonotal morphology: absence presutural and notopleural bristles.

      (Abbott and Kaufman, 1986)
      External 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
      Comments
      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer

      R. Lewis.

      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (5)
      Reported As
      Symbol Synonym
      Antp20
      Antpr4
      AntprR4
      (Abbott and Kaufman, 1986)
      EeR4
      (Lewis et al., 1980, Lewis et al., 1980)
      EfR4
      (Lewis et al., 1980)
      Name Synonyms
      Secondary FlyBase IDs
        References (3)