FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
physical association
Interacting Genes
Uba2, lwr
FlyBase ID
FBig0000080660
Interaction Network
Interactions Browser links
Uba2 network
lwr network
Reported Interactions
FBrf0132366-8.ENZ.A
Reference
Description
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Uba2 

DmUba2

enzyme

His tag

Uba2 

DmUba2

enzyme

His tag

lwr 

DmUbc9

enzyme target

GST tag, [32]P label

lwr 

DmUbc9

enzyme target

GST tag, [32]P 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
FBrf0144953-28.coIP.WB
Reference
Shih et al., 2002
Description
physical association
Assay
Collection
Source/Stage
organism / embryonic stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
lwr 

DmUbc9

bait
Uba2 

DmUba2

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.

(Shih et al., 2002)
FBrf0144953-29.coIP.WB
Reference
Shih et al., 2002
Description
physical association
Assay
Collection
Source/Stage
organism / embryonic stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Uba2 

DmUba2

bait
lwr 

DmUbc9

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.

(Shih et al., 2002)
FBrf0218395-10137.DPiM
Reference
Guruharsha et al., 2011
Description
physical association
Assay
Collection
DPiM-2
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
lwr 
unspecified role
lwr 
unspecified role
lwr 
unspecified role
Uba2 
unspecified role
Uba2 
unspecified role
Uba2 
unspecified role
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

HGScore = 63.05464

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (3)