FB2026_02 , released June 18, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000114663
Interaction Network
Interactions Browser links
bam network
pum network
Reported Interactions
FBrf0209919-1.Y3H
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
bam 

Bam

bait

fused to lexA DNA-binding domain

pum 

Pum

prey

fused to B42 activation domain

pum 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
pum 
interaction domain
sufficient binding region
aa 1-1093

coordinates relative to pum-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).

Three-hybrid system: yeast lexA-BD/B42-AD, bgcn was coexpressed as a bridging factor in a yeast three-hybrid assay with bam as bait and pum as prey.

FBrf0209919-4.BiFC.FM
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
bam 

Bam

bait

mKG tag, N-terminal fragment

pum 

Pum

prey

mKG tag, C-terminal fragment

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 HEK293 cells; proteins produced from transfected constructs.

bgcn was coexpressed as a bridging factor in a fluorescence complementation assay with bam as bait and pum as prey.

FBrf0209919-7.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
bam 

Bam

bait

FLAG tag

pum 

Pum

prey

HA 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 cell extract of S2 cell line; bait produced from transfected construct; prey produced from transfected construct or endogenous gene.

The addition of antibodies against the pum region that mediates its interaction with bam disrupted the bam-pum interaction.

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