FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000119812
Interaction Network
Interactions Browser links
Inx2 network
Inx3 network
Reported Interactions
FBrf0191160-1.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Inx2 

Inx2

bait

fused to hSos

Inx2 
Inx3 

Inx3

prey

fused to Myr membrane localization signal

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Inx2 
C-terminal domain
sufficient binding region
aa 289-367

coordinates relative to Inx2-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 from embryo cDNA expression library).

Two-hybrid system: yeast CytoTrap.

FBrf0191160-2.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Inx3 

Inx3

bait
Inx2 

Inx2

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.

FBrf0191160-3.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Inx2 

Inx2

bait
Inx3 

Inx3

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.

FBrf0191160-4.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Inx3 

Inx3

bait
Inx2 

Inx2

prey

GFP tag

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 endogenous gene; prey produced from tagged transgenic construct.

FBrf0191160-5.SPR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Inx3 

Inx3

bait

FLAG tag

Inx3 
Inx2 

Inx2

prey

His tag

Inx2 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Inx2 
C-terminal domain
sufficient binding region
aa 287-367

coordinates relative to Inx2-PA

Inx3 
C-terminal domain
sufficient binding region
aa 293-395

coordinates relative to Inx3-PA

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

Interaction in vitro; bait produced as a recombinant fusion protein in baculovirus and Sf21 cell system; prey produced as a recombinant fusion protein in bacterial system.

FBrf0191160-6.SPR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Inx2 

Inx2

bait

His tag

Inx2 
Inx2 
Inx3 

Inx3

prey

GST tag

Inx3 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Inx2 
C-terminal domain
sufficient binding region
aa 287-367

coordinates relative to Inx2-PA

Inx2 
cytoplasmic loop domain
sufficient binding region
aa 132-180

coordinates relative to Inx2-PA

Inx3 
C-terminal domain
sufficient binding region
aa 293-395

coordinates relative to Inx3-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 as a recombinant fusion protein in bacterial system.

External Crossreferences and Linkouts ( 0 )
References (1)