FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000120788
Interaction Network
Interactions Browser links
tou network
pnr network
Reported Interactions
FBrf0187487-1.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
pnr 

Pnr

bait

fused to LexA DNA-binding domain

pnr 
tou 

Tou

prey

fused to VP16 activation domain

tou 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
tou 
interaction domain
sufficient binding region
aa 546-1415

coordinates relative to tou-PA

pnr 
DNA binding
sufficient binding region
aa 141-280

coordinates relative to pnr-PA

Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Two-hybrid system: yeast LexA-BD/VP16-AD

Source was yeast cell line; bait produced as transgenic fusion protein; prey produced as transgenic fusion protein (prey from embryo cDNA expression library).

FBrf0187487-2.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
pnr 

Pnr

bait

fused to lexA DNA-binding domain

pnr 
pnr 
tou 

Tou

prey

fused to VP16 activation domain

tou 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
pnr 
DNA binding
sufficient binding region
aa 141-280

coordinates relative to pnr-PA

pnr 
C-terminal domain
sufficient binding region
unspecified
tou 
interaction domain
sufficient binding region
aa 546-953

coordinates relative to tou-PA

Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Source was yeast cell line; bait produced as transgenic fusion protein; prey produced as transgenic fusion protein (prey was previously cloned reagent).

Two-hybrid system: yeast lexA-BD/VP16-AD. Full-length, DNA binding domain and C terminal domain

FBrf0187487-3.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
tou 

Tou

bait

B epitope of the oestrogen receptor tag recognized by mAb B10

tou 
pnr 

Pnr

prey

tag recognized by mAb 2B8

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
tou 
interaction domain
sufficient binding region
aa 546-1415

coordinates relative to tou-PA

Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Source was cell extract of Cos cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0187487-4.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
tou 

Tou

bait

B epitope of the oestrogen receptor tag recognized by mAb B10

tou 
pnr 

Pnr

prey

Gst tag

pnr 
pnr 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
tou 
interaction domain
sufficient binding region
aa 546-1415

coordinates relative to tou-PA

pnr 
DNA binding
sufficient binding region
aa 141-280

coordinates relative to pnr-PA

pnr 
C-terminal domain
sufficient binding region
unspecified
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

pnr-DBD and pnr-CT recognized by the D10 antibody

Source was cell extract of Cos cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0187487-5.PD.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
pnr 

Pnr

bait

GST tag

pnr 
pnr 
tou 

Tou

prey

[35]S label

tou 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
pnr 
DNA binding
sufficient binding region
aa 141-280

coordinates relative to pnr-PA

pnr 
C-terminal domain
sufficient binding region
unspecified
tou 
interaction domain
sufficient binding region
aa 546-1415

coordinates relative to tou-PA

Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; bait produced as a recombinant fusion protein in bacterial system; prey produced and labeled by in vitro translation.

FBrf0187487-9.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
tou 

Tou

bait

Flag tag

tou 
pnr 

Pnr

prey

tag recognized by mAb 2B8

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
tou 
interaction domain
sufficient binding region
aa 546-1415

coordinates relative to Tou-PA

Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Source was cell extract of Cos cell line; bait produced from transfected construct; prey produced from transfected construct.

Double immunoprecipitation

External Crossreferences and Linkouts ( 0 )
References (1)