FB2026_02 , released June 18, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000120247
Interaction Network
Interactions Browser links
Sumo network
Su(var)2-10 network
Reported Interactions
FBrf0244794-16.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Su(var)2-10

bait

fused to GAL4 DNA-binding domain

Sumo 

smt3

prey

fused to GAL4 activation domain

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

Two-hybrid system: yeast GAL4-BD/GAL4-AD

Source was yeast cell line; bait produced as transgenic fusion protein; prey produced as transgenic fusion protein (prey from ovary cDNA expression library).

FBrf0244794-7.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Sumo 

SUMO

bait

GST tag

Sumo 

sv210

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Sumo 
interaction domain residues 26,27,29
mutation disrupting interaction
aa 26,27,29

Q26A,F27A,I29A, coordinates relative to smt3-PA

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

Interaction in vitro; bait produced as a recombinant fusion protein in bacterial system; prey derived from transfected S2 cell extract.

FBrf0244794-8.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Sumo 

SUMO

bait

GST tag

Sumo 

sv210

prey

His tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Sumo 
interaction domain residues 26,27,29
mutation disrupting interaction
aa 26,27,29

Q26A,F27A,I29A, coordinates relative to smt3-PA

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

Interaction in vitro; bait produced as a recombinant fusion protein in bacterial system; prey produced as a recombinant fusion protein in bacterial system.

FBrf0259344-1.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Su(var)2-10

bait

GST tag

Sumo 

Sumo

prey

His tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SIM 3 domain
necessary binding region
aa 465 and 469

V465A, L467A; coordinates relative to Su(var)2-10-PJ

CTD-1 domain
mutation decreasing interaction
aa 319, 321 and 323

L319A, V321A, L323A; coordinates relative to Su(var)2-10-PJ

CTD-2 domain
mutation decreasing interaction
aa 398 and 400

I398A, L400A; coordinates relative to Su(var)2-10-PJ

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

Mutation of Su(var)2-10 hydrophobic amino acids in the described domains, disrupts or decreases interaction with Sumo. Addition of piwi Mid domain decreases interaction.

Interaction in vitro; bait and prey produced as recombinant fusion proteins in bacterial system.

FBrf0259344-4.BiFC.FM
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Su(var)2-10

bait

YFP tag, N-terminal fragment

Sumo 

Sumo

prey

YFP tag, C-terminal fragment

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
CTD-2 domain
mutation disrupting interaction
aa 398 and 400

I398A, L400A; coordinates relative to Su(var)2-10-PJ

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

Positive control.

Source was ovaries of transgenic fly line; bait produced from tagged transgenic construct; prey produced from transgenic construct.

External Crossreferences and Linkouts ( 0 )
References (2)