FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
physical association
Interacting Genes
Cap-G, barr
FlyBase ID
FBig0000097517
Interaction Network
Interactions Browser links
Cap-G network
barr network
Reported Interactions
FBrf0208173-5.coIP.MS
Reference
D'Avino et al., 2009
Description
physical association
Assay
Collection
Source/Stage
Cell line used
S2-DGRC
Participants
Corresponds to
Reported as
Role
Note
barr 

Barren

bait

Protein A tag

Cap-G 

Cap-G

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

Positive control.

(D'Avino et al., 2009)

Source was cell extract of S2 cell line; bait produced from transfected construct; prey produced from endogenous gene.

(D'Avino et al., 2009)
FBrf0221447-1.coIP.WB
Reference
Herzog et al., 2013
Description
physical association
Assay
Collection
Source/Stage
organism / embryonic stage 7embryonic stage 11embryonic stage 9early extended germ band stageembryonic stage 8embryonic stage 10
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Cap-G 

Cap-G

bait

EGFP tag

Cap-G 
Cap-G 
barr 

Cap-H

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Cap-G 
N-terminal region
sufficient binding region
aa 1-977

\'Cap-G[NM]\'

Cap-G 
N-terminal region
necessary binding region
aa 1-243

\'Cap-G[NM4]\'

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.

(Herzog et al., 2013)
FBrf0221447-6.coIP.A
Reference
Herzog et al., 2013
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
barr 

Barren

bait

FLAG tag, [35]S label

Cap-G 

Cap-G

prey

[35]S label

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

Interaction in vitro; bait produced and labeled by in vitro translation; prey produced and labeled by in vitro translation.

(Herzog et al., 2013)
External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (2)