FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
physical association
Interacting Genes
Utx, Polr2A
FlyBase ID
FBig0000096246
Interaction Network
Interactions Browser links
Utx network
Polr2A network
Reported Interactions
FBrf0203005-1.coIP.WB
Reference
Smith et al., 2008
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Schneider's-line-2
Participants
Corresponds to
Reported as
Role
Note
Utx 

UTX

bait
Polr2A 

Pol II

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

Pol II detected using 8WG16 antibody.

(Smith et al., 2008)

Bait endogenous to nuclear extract.

(Smith et al., 2008)

Prey endogenous to nuclear extract.

(Smith et al., 2008)
FBrf0253686-10.coIP.WB
Reference
Bi et al., 2022
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Kc
Participants
Corresponds to
Reported as
Role
Note
Utx 

UTX

bait
Polr2A 

Polr2A

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

Fig6E

(Bi et al., 2022)

Source was cell nuclear extract of Kc cell line; bait produced from endogenous gene; prey produced from endogenous gene.

(Bi et al., 2022)

Interaction identified by a human antibody that detects Drosophila Polr2A

(Bi et al., 2022)
External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (2)