FB2026_03 , released September 17, 2026
Physical Interaction report
Open Close
General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000106125
Interaction Network
Interactions Browser links
cuff network
del network
Reported Interactions
FBrf0225218-5.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
del 

Del

bait

fused to GAL4 DNA-binding domain

del 
cuff 

Cuff

prey

fused to GAL4 activation domain

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
del 
C-terminal region
sufficient binding region
aa 661-981

coordinates relative to del-PA

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

Two-hybrid system: yeast GAL4-BD/GAL4-AD

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

FBrf0225218-6.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
cuff 

Cuff

bait

fused to GAL4 DNA-binding domain

del 

Del

prey

fused to GAL4 activation domain

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Two-hybrid system: yeast GAL4-BD/GAL4-AD

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

FBrf0243126-12.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
del 

Deadlock

bait

fused to GAL4 DNA-binding domain

del 
cuff 

Cutoff

prey

fused to GAL4 activation domain

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
del 
C-terminal domain
sufficient binding region
aa 661-981

coordinates relative to del-PA

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

Two-hybrid system: yeast GAL4-BD/GAL4-AD

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

FBrf0243126-7.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
del 

Deadlock

bait

fused to LexA DNA-binding domain

cuff 

Cutoff

prey

fused to GAL4 activation domain

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Two-hybrid system: yeast LexA-BD/GAL4-AD

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

FBrf0263998-1.CL.FM
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
cuff 

Cutoff

bait

Ph-mCherry tag

cuff 
cuff 
del 

Deadlock

prey

mEGFP

del 
del 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
cuff 
CTD domain
sufficient binding region
aa 685-981

coordinates relative to cuff-PA

cuff 
interaction domain residue 83
mutation disrupting interaction
aa 83

D83K; coordinates relative to cuff-PA

del 
interaction domain residue 762
mutation disrupting interaction
aa 762

R762E; coordinates relative to del-PA

del 
interaction domain residue 83
mutation disrupting interaction
aa 83

D83K; coordinates relative to del-PA

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

Source was live S2R+ cells; proteins produced from transfected constructs.

Bait was fused to a pleckstrin domain with a tag. It removed nuclear proteins to the cytoplasm. Interaction was detected as movement from nuclear proteins to the cytoplasm.

FBrf0263998-4.CL.FM
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
del 

Deadlock

bait

MLS-mCherry tag

cuff 

Cutoff

prey

mEGFP

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Source was live S2R+ cells; proteins produced from transfected constructs.

Bait was fused to a mitochondial anchoring tag. Interaction was determined by colocalization.

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (3)