FB2026_02 , released June 18, 2026
Allele: Dmel\Su(var)2-103
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General Information
Symbol
Dmel\Su(var)2-103
Species
D. melanogaster
Name
FlyBase ID
FBal0016491
Feature type
allele
Associated gene
Dmel\Su(var)2-1
Associated Insertion(s)
Carried in Construct
Also Known As
Su-var(2)103
Key Links
Genomic Maps

Allele class
Mutagen
Nature of the Allele
Allele class
Mutagen
X ray
(Reuter et al., 1982)
Progenitor genotype
Cytology
Description

Amino acid replacement: E324C.

(Walther et al., 2020)
Mutations Mapped to the Genome
Curation Data
Type
Location
Additional Notes
References
MNV
2L:10,228,762..10,228,763 [-]
Nucleotide change:

GAA10228763TGY

Amino acid change:

E324C | Su(var)2-1-PA; E324C | Su(var)2-1-PB

Reported amino acid change:

E324C

Comment:

Site and nature of nucleotide substitution in mutant inferred by FlyBase curator based on reported amino acid change.

(Walther et al., 2020)
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

      The rate of Y chromosome loss in the developing wing imaginal disc in homozygous males is not significantly different from that seen in wild type.

      (Szabad et al., 2012)

      Heterozygotes show no effect on crossing over between kni and pp.

      (Westphal and Reuter, 2002)
      External Data
      Interactions
      Show genetic interaction network for Enhancers & Suppressors
      Phenotypic Class
      Phenotype Manifest In
      Suppressor of
      Statement
      Reference

      Su(var)2-1[+]/Su(var)2-103 is a suppressor | partially of adult abdominal segment 4 | ectopic phenotype of E(z)Trm/E(z)60

      (Bajusz et al., 2001)

      Su(var)2-1[+]/Su(var)2-103 is a suppressor | partially of adult abdominal segment 5 phenotype of E(z)Trm/E(z)60

      (Bajusz et al., 2001)

      Su(var)2-1[+]/Su(var)2-103 is a suppressor | partially of adult mesothoracic segment | ectopic phenotype of E(z)Trm/E(z)60

      (Bajusz et al., 2001)

      Su(var)2-1[+]/Su(var)2-103 is a suppressor | partially of adult metathoracic segment phenotype of E(z)Trm/E(z)60

      (Bajusz et al., 2001)

      Su(var)2-1[+]/Su(var)2-103 is a suppressor | partially of adult prothoracic segment phenotype of E(z)Trm/E(z)60

      (Bajusz et al., 2001)
      Additional Comments
      Genetic Interactions
      Statement
      Reference
      Xenogenetic Interactions
      Statement
      Reference
      Complementation and Rescue Data
      Comments

      complements Su(var)2-12 and Su(var)2-14

      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (4)
      Reported As
      Symbol Synonym
      2-103
      (Walther et al., 2020)
      Su(var)2-103
      (Westphal and Reuter, 2002)
      Su(var)2-13
      Su-var(2)103
      (Szabad et al., 2012, Reuter et al., 1982)
      Name Synonyms
      Secondary FlyBase IDs
        References (5)