FB2026_02 , released June 18, 2026
Allele: Dmel\Polr2BS
Open Close
General Information
Symbol
Dmel\Polr2BS
Species
D. melanogaster
Name
FlyBase ID
FBal0091644
Feature type
allele
Associated gene
Dmel\Polr2B
Associated Insertion(s)
Carried in Construct
P{Polr2BS.K}
Key Links
Transgenic product class
Mutagen
Nature of the Allele
Transgenic product class
Mutagen
in vitro construct
(Krasnoselskaya et al., 1998, Kim et al., 1994)
Progenitor genotype
Carried in construct
P{Polr2BS.K}
Cytology
Description

Construct: Nucleotide substitution: A2966T. This substitution is shared by in vivo-generated strong suppressors.

(Krasnoselskaya et al., 1998)
Allele components
Component
Use(s)
Encoded product / tool
Polr2B
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
      Suppressor of
      Statement
      Reference

      Polr2BS is a suppressor of lethal phenotype of Polr2AK1

      (Kim et al., 1994)
      Phenotype Manifest In
      Suppressor of
      Statement
      Reference

      Polr2BS is a suppressor of phenotype of Polr2AK1

      (Krasnoselskaya et al., 1998)
      Additional Comments
      Genetic Interactions
      Statement
      Reference

      Strong suppressor: restores viability to greater than 49% of wild type flies.

      (Krasnoselskaya et al., 1998)
      Xenogenetic Interactions
      Statement
      Reference
      Complementation and Rescue Data
      Comments
      Images (0)
      Mutant
      Wild-type
      Stocks (0)
      Notes on Origin
      Discoverer
      External Crossreferences and Linkouts ( 0 )
      Synonyms and Secondary IDs (2)
      Reported As
      Symbol Synonym
      Polr2BS
      RpII140S
      Name Synonyms
      Secondary FlyBase IDs
        References (2)