FB2026_03 , released September 17, 2026
Allele: Dmel\Sgs4K
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General Information
Symbol
Dmel\Sgs4K
Species
D. melanogaster
Name
FlyBase ID
FBal0015531
Feature type
allele
Associated gene
Dmel\Sgs4
Associated Insertion(s)
Carried in Construct
Also Known As
Kochi-R, Kochi
Key Links
Allele class

amorphic allele - genetic evidence

Mutagen
Nature of the Allele
Allele class

amorphic allele - genetic evidence

(Muskavitch and Hogness, 1980)
Mutagen
natural population
(Lindsley and Zimm, 1992)
Progenitor genotype
Cytology
Description

Expression, relative to Oregon-R (%): ~2. Number of 21bp (7 aa) repeats: 101.

(Lindsley and Zimm, 1992)

52bp deletion in the 5' flanking region.

(Saumweber et al., 1990)
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
      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

      Isolated from: Kochi stock.

      (Lindsley and Zimm, 1992)
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (3)
      Reported As
      Symbol Synonym
      Kochi
      (Kuan et al., 2009, Roth et al., 1999)
      Sgs4K
      Name Synonyms
      Kochi-R
      (Lehmann and Korge, 1995, Muskavitch and Hogness, 1980)
      Secondary FlyBase IDs
        References (7)