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
FBig0000042578
Interaction Network
Interactions Browser links
WASp network
Vrp1 network
Reported Interactions
FBrf0202337-1.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Vrp1 

Sltr

bait

FLAG tag

Vrp1 
Vrp1 
WASp 

WASP

prey

V5 tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Vrp1 
C terminal region
sufficient binding region

This construct contains the WBD of Vrp1

Vrp1 
C terminal region
necessary binding region

This construct has a deletion of the WBD of Vrp1

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

Source was cell extract of S2R+ cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0202337-5.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
WASp 

WASP

bait

V5 tag

Vrp1 

Sltr

prey

FLAG 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 S2R+ cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0202337-6.PD.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Vrp1 

Sltr

bait

GST tag

Vrp1 
WASp 

WASP

prey

V5 tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Vrp1 
WBD
sufficient binding region
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 by recombinant protein transfected in S2R+ cell extract

FBrf0213682-3.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
WASp 

WASP

bait

V5 tag

Vrp1 

Sltr

prey

FLAG tag

Vrp1 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Vrp1 
WASP-binding domain
necessary binding region
aa 683-706

deletion of an internal 24 amino acid sequence including the WASP-binding domain

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

Source was cell extract of S2R+ cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0213682-5.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
WASp 

WASP

bait

FLAG tag

Vrp1 

Sltr

prey

HA 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 S2R+ cell line; bait produced from transfected construct; prey produced from transfected construct.

WASp and blow bind competitively to Vrp1. Vrp1 binds to blow with 7-fold lower affinity than it binds WASp.

FBrf0213682-6.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Vrp1 

Sltr

bait

FLAG tag

WASp 

WASP

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 S2R+ cell line; bait produced from transfected construct; prey produced from endogenous gene.

WASp and blow bind competitively to Vrp1. Vrp1 binds to blow with 7-fold lower affinity than it binds WASp.

FBrf0218395-998.DPiM
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
WASp 
unspecified role
WASp 
unspecified role
WASp 
unspecified role
Vrp1 
unspecified role
Vrp1 
unspecified role
Vrp1 
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 = 64.19756

FBrf0221091-4.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
WASp 

WASp

bait

HA tag

Vrp1 

Vrp1

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 COS7 cell line; bait produced from transfected construct; prey produced from transfected construct.

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (4)