FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
physical association
Interacting Genes
rump, osk
FlyBase ID
FBig0000101337
Interaction Network
Interactions Browser links
rump network
osk network
Reported Interactions
FBrf0214542-5a.XL.A
Reference
Sinsimer et al., 2011
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
osk 

osk

bait

[32]P label

osk 
rump 

Rump

prey

MBP tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
osk 
3-prime UTR
unspecified role
nt 1-738nt 731-1004

contains no CGUU motifs

contains CGUU motifs

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

Interaction in vitro; bait produced and labeled by in vitro transcription; prey produced as a recombinant fusion protein in bacterial system.

(Sinsimer et al., 2011)

rump binds to both 5\' and 3\' fragments of the osk 3\' UTR.

(Sinsimer et al., 2011)
FBrf0214542-6.coIP.PCR
Reference
Sinsimer et al., 2011
Description
physical association
Assay
Collection
Source/Stage
ovary / adult stagefemale
Cell line used
Participants
Corresponds to
Reported as
Role
Note
rump 

Rump

bait
osk 

osk

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

Bait endogenous to dissected ovary extract.

(Sinsimer et al., 2011)

Prey endogenous to dissected ovary extract.

(Sinsimer et al., 2011)

The interaction of rump protein and osk RNA is not observed in rump1 mutant ovaries.

(Sinsimer et al., 2011)

rump protein immunoprecipitated from dissected ovary extract and the presence of coimmunoprecipitated osk RNA detected by RT-PCR.

(Sinsimer et al., 2011)
External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (1)