FB2026_02 , released June 18, 2026
Physical Interaction report
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General Information
Interaction Type
physical association
Interacting Genes
piwi, fs(1)Yb
FlyBase ID
FBig0000121295
Interaction Network
Interactions Browser links
piwi network
fs(1)Yb network
Reported Interactions
FBrf0249027-28.PL.MS
Reference
Munafò et al., 2021
Description
physical association
Assay
Collection
Source/Stage
Cell line used
OSC
Participants
Corresponds to
Reported as
Role
Note
fs(1)Yb 

Yb

bait

BASU (biotin ligase)

piwi 

Piwi

prey

biotin 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 an OSC line; bait was from transfected construct; prey derived from endogenous gene.

(Munafò et al., 2021)
FBrf0262201-12.coIP.WB
Reference
Lee et al., 2025
Description
physical association
Assay
Collection
Source/Stage
Cell line used
OSS
Participants
Corresponds to
Reported as
Role
Note
piwi 

Piwi

bait
fs(1)Yb 

Fs(1)Yb

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

(Lee et al., 2025)
FBrf0262201-9.coIP.MS
Reference
Lee et al., 2025
Description
physical association
Assay
Collection
Source/Stage
Cell line used
OSS
Participants
Corresponds to
Reported as
Role
Note
piwi 

Piwi

bait
fs(1)Yb 

Fs(1)Yb

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

(Lee et al., 2025)
External Crossreferences and Linkouts ( 0 )
References (2)