FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000095654
Interaction Network
Interactions Browser links
nej network
Utx network
Reported Interactions
FBrf0218406-12.PD.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
nej 

CBP

bait

GST tag

nej 
nej 
Utx 

UTX

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
nej 
zinc finger 1
sufficient binding region
aa 302-758
nej 
PHD domain
sufficient binding region
aa 1805-1993

sufficient for weak binding

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

GST pull down.

The zinc finger 1 and PHD domains of nej can interact independently with Utx, though binding via the PHD domain is weak.

Bait expressed and purified from bacteria.

Prey endogenous to embryonic nuclear extract.

FBrf0218406-13.PD.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Utx 

UTX

bait

GST tag

Utx 
Utx 
nej 

CBP

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Utx 
TPR motifs 1-2
sufficient binding region
aa 1-262
Utx 
TRP motifs 1-4
necessary binding region
aa 79-363

deletion abolishes interaction

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

GST pull down.

Bait expressed and purified from bacteria.

Prey endogenous to embryonic nuclear extract.

FBrf0218406-14.PD.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
nej 

CBP

bait

GST tag

nej 
Utx 

UTX

prey

His tag

Utx 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
nej 
zinc finger 1
sufficient binding region
aa 302-758
Utx 
TRP motifs 1-4
sufficient binding region
aa 79-363
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

GST pull down.

Bait expressed and purified from bacteria.

Prey expressed and purified from bacteria.

FBrf0218406-2.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
nej 

CBP

bait
Utx 

UTX

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

Bait endogenous to embryonic nuclear extract.

Prey endogenous to embryonic nuclear extract.

FBrf0218406-3.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Utx 

UTX

bait
nej 

CBP

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

Bait endogenous to embryonic nuclear extract.

Prey endogenous to embryonic nuclear extract.

FBrf0218406-9.CH.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
nej 

CBP

neutral component
nej 

CBP

neutral component
nej 

CBP

neutral component
Utx 

UTX

neutral component
Utx 

UTX

neutral component
Utx 

UTX

neutral component
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

nej, brm and Utx cofractionate on gel filtration columns in a complex with apparent molecular weight of 2MDa.

Bait endogenous to embryonic nuclear extract.

Prey endogenous to embryonic nuclear extract.

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