FB2025_01 , released February 20, 2025
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000095708
Interaction Network
Interactions Browser links
stau network
bcd network
esyN Network Diagram
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Protein
RNA
Selected Interactor(s)
Common Interactor(s)
Reported Interactions
FBrf0193659-1.Y3H
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
bcd 

bcd

bait

DNA binding domain of GAL4 fused to RevM10

bcd 
stau 

Staufen

prey

fused to GAL4 activation domain

stau 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
bcd 
3-prime UTR
sufficient binding region
stau 
first four dsRNA-binding domains
sufficient binding region
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Source was yeast cell line; bait produced from DNA containing 3\'UTR of bcd; prey produced as transgenic fusion protein (prey was previously cloned reagent).

Three-hybrid system: yeast RevM10-GAL4-BD/GAL4-AD

FBrf0218211-1.PD.
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note
stau 

Staufen

bait
bcd 

bcd

prey
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

stau protein immunoprecipitated from embryonic extract using synthetic antibodies and the presence of coimmunoprecipitated bcd RNA detected by RT-PCR.

Positive control.

Bait endogenous to embryonic extract.

Prey endogenous to embryonic extract.

FBrf0223197-4.coIP.ARRAY
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note
stau 

Staufen

bait

GFP tag

bcd 

bcd

prey
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 embryos of transgenic fly line; bait produced from tagged transgenic construct; prey produced from endogenous gene.

Bound RNA identified by microarray, defined as having over five-fold enrichment in immunoprecipitates compared to negative controls, with FDR of 5%.

FBrf0223197-62.coIP.ARRAY
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note
stau 

Staufen

bait
bcd 

bcd

prey
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 embryos of wild-type fly line; bait produced from endogenous gene; prey produced from endogenous gene.

Bound RNA identified by microarray, defined as having over two-fold enrichment in immunoprecipitates compared to negative controls, with FDR of 5%.

FBrf0244944-1.FPS
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
stau 

dStau

bait

His tag

stau 
stau 
stau 
stau 
stau 
stau 
bcd 

bcd

prey

fluorescein label

bcd 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
bcd 
interaction domain
sufficient binding region
nt 882-972

coordinates relative to bcd-RA

stau 
dsRBD3 domain residues 606,608
mutation decreasing interaction
aa 606,608

H606A,K608A, coordinates relative to stau-PA

stau 
dsRBD3 domain residues 628,629
mutation decreasing interaction
aa 628,629

K628E,K629E, coordinates relative to stau-PA

stau 
dsRBD4 domain residues 742,744
mutation decreasing interaction
aa 742,744

R742A,R744A, coordinates relative to stau-PA

stau 
dsRBD4 domain residues 764,765,768
mutation decreasing interaction
aa 764,765,768

K764E,K765A,K768A, coordinates relative to stau-PA

stau 
dsRBD3 domain residues 581
mutation decreasing interaction
aa 581

S581A, coordinates relative to stau-PA

stau 
dsRBD4 domain residues 718
mutation decreasing interaction
aa 718

Q718A, coordinates relative to stau-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 RNA commercially synthesized in vitro.

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (4)