FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000097869
Interaction Network
Interactions Browser links
gw network
AGO1 network
Reported Interactions
FBrf0194513-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

HA tag

gw 
AGO1 

AGO1

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
gw 
N-terminal region
sufficient binding region
aa 1-539
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

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

FBrf0194513-2.PD.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

GST tag

gw 
AGO1 

AGO1

prey

[35]S label

AGO1 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
AGO1 
PIWI domain
sufficient binding region
aa 714-984
gw 
N-terminal region
sufficient binding region
aa 1-592
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 and labeled by in vitro translation.

gw interacts with AGO1 but not AGO2.

FBrf0204460-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait

HA tag

AGO1 
gw 

GW182

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
AGO1 
central region
mutation disrupting interaction
aa 594-629

F594V, F629V \'F2V2\' mutant, coordinates relative to 984 residue isoform

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

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

FBrf0207757-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

Ago1

bait
gw 

GW182

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 cell extract of S2 cell line; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0208025-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

HA tag

AGO1 

AGO1

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

RRM domain of gw not necessary for gw-AGO1 interaction.

FBrf0212181-2.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

gw

bait

HA tag

AGO1 

AGO1

prey

Myc tag

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 cell extract of S2 cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0212185-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait
gw 

dGW182

prey

HA tag

gw 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
gw 
interaction domain
sufficient binding region
aa 1-605

coordinates relative to gw-PA

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

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

FBrf0212673-2.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

GFP tag

AGO1 

AGO1

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

FBrf0215100-4.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

HA tag

gw 
AGO1 

AGO1

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
gw 
GW repeats
mutation disrupting interaction

all N-terminal GW repeats mutated to Alanine

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

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

This interaction is enhanced in Not1-depleted cells.

FBrf0215456-1.coIP.MS
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait

TAP tag

gw 

GW182

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

FBrf0215456-11.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait

FLAG tag

AGO1 
AGO1 
gw 

GW182

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
AGO1 
Mid domain
mutation disrupting interaction
aa 560-595

F560V, F595V \'F2V2\' mutant, coordinates relative to 950 residue isoform

AGO1 
piwi domain
necessary binding region
aa 691-950

coordinates relative to 950 residue isoform

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

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

FBrf0215456-2.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait
gw 

GW182

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

Glycerol sedimentation of S2 cell lysates indicates that AGO1 interacts with gw and Dcr-1 in mutually exclusive complexes.

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

FBrf0215456-3.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait
AGO1 

AGO1

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

gw coimmunoprecipitates AGO1 but not AGO2, Dcr-1, Dcr-2 or loqs..

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

FBrf0215456-4.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait
AGO1 

AGO1

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

gw coimmunoprecipitates AGO1 but not aub or piwi.

Source was adult female ovary of wild-type fly line; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0215487-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

HA tag

gw 
gw 
gw 
AGO1 

AGO1

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
gw 
interaction domain
mutation decreasing interaction
aa 1-36

deletion of aa 1-36, coordinates relative to gw-PA

gw 
interaction domain residues 10-12
mutation decreasing interaction
aa 10-12

GWG to AAA, coordinates relative to gw-PA

gw 
interaction domain
mutation disrupting interaction
unspecified

all 12 N-terminal GW-repeats substituted with alanines, coordinates relative to gw-PA

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

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

FBrf0215487-2.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait

HA tag

AGO1 
AGO1 
AGO1 
AGO1 
AGO1 
gw 

GW182

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
AGO1 
interaction domain residues 594,629
mutation disrupting interaction
aa 594,629

F594V,F629V, coordinates relative to AGO1-PA

AGO1 
interaction domain residues 777
mutation disrupting interaction
aa 777

F777A, coordinates relative to AGO1-PA

AGO1 
interaction domain residues 785
mutation disrupting interaction
aa 785

K785A, coordinates relative to AGO1-PA

AGO1 
interaction domain residues 707
mutation decreasing interaction
aa 707

R707A, coordinates relative to AGO1-PA

AGO1 
interaction domain residues 749
mutation decreasing interaction
aa 749

Y749A, coordinates relative to AGO1-PA

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

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

FBrf0216898-2.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

HA tag

AGO1 

Ago1

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

FBrf0220586-5.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

GFP tag

gw 
gw 
AGO1 

AGO1

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
gw 
AGO-binding domain and Q-rich region
sufficient binding region
aa 1-713
gw 
GW repeats
mutation disrupting interaction
GW

all 12 \'GW\' repeats mutated to Alanine

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

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

FBrf0221629-6.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

DmAgo1

bait

FLAG tag

AGO1 
gw 

GW182

prey

GFP tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
AGO1 
N-terminal domain
necessary binding region
aa 1-538

coordinates relative to AGO1-PB

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

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

FBrf0222297-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

dGW182

bait

HA tag

AGO1 

AGO1

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 cell extract of S2 cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0222534-10.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

HA tag

AGO1 

AGO1

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

The interaction of AGO1 with gw is not affected by Not1 knockdown.

FBrf0222534-4.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait
AGO1 

AGO1

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 cell extract of S2 cell line; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0222534-5.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait

Twin-Strep tag

gw 

GW182

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

The interaction of gw with AGO1 is resistant to RNaseA treatment.

FBrf0222534-8.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
gw 

GW182

bait

TAP tag

AGO1 

AGO1

prey

Twin-Strep tag

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 cell extract of S2 cell line; bait produced from transfected construct; prey produced from transfected construct.

Sequential affinity purification suggests that gw, AGO1 and Patr-1 exist in complex.

The interaction of gw with AGO1 is resistant to RNaseA treatment.

Purified AGO1 complexes were subjected to further purification of tagged gw protein.

FBrf0222981-3.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait
gw 

GW182

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 cell extract of S2 cell line; bait produced from endogenous gene; prey produced from endogenous gene.

Positive control.

FBrf0232506-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AGO1 

AGO1

bait

HA tag

AGO1 
AGO1 
gw 

GW182

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
AGO1 
W-binding pocket 1 residues 714-744
mutation disrupting interaction
aa 714-744

P714G, A744F, coordinates relative to AGO1-PA

AGO1 
W-binding pocket 2 residue 819
mutation disrupting interaction
aa 819

L819Y, coordinates relative to AGO1-PA

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

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

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (17)