FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000105182
Interaction Network
Interactions Browser links
Unr network
lncRNA:roX2 network
Reported Interactions
FBrf0206775-2.coIP.PCR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Unr 

UNR

bait

roX2

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 adult males; bait produced from tagged transgenic construct; prey produced from endogenous gene.

FBrf0226073-1.EMSA.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Unr 

UNR

bait

His tag

roX2

prey

[32]P label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SL6
sufficient binding region
nt 360-379
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 transcription.

Unr binds to many stem-loops throughout roX2, but binds SL6 most strongly

FBrf0226073-2.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

MS2 tag

Unr 

UNR

prey

His tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SL6 and SL7
sufficient binding region
nt 360-492
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

The roX2 bait RNA fused to three MS2 hairpins, and bound to amylose beads via MS2-MBP fusion protein.

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

FBrf0248824-1.EMSA
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Unr 

Unr

bait

His tag

Unr 
Unr 
Unr 

roX2 lncRNA

prey

Cy5 label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
stem loops 6 and 7
sufficient binding region
nt 329-490
Unr 
cold shock domains 1-3
sufficient binding region
aa 186-414
Unr 
cold shock domains 4-6
sufficient binding region
aa 422-677
Unr 
cold shock domains 7-9
sufficient binding region
aa 756-922
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 transcription.

FBrf0248824-1.EMSA.TV
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Unr 

Unr

bait

His tag

Unr 
Unr 
Unr 

roX2

prey

Cy5 label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Unr 
CSD domains 1-3 residues 186-348
sufficient binding region
aa 186-348
Unr 
CSD domains 4-6 residues 428-673
sufficient binding region
aa 428-673
Unr 
CSD domains 7-9 residues 759-990
sufficient binding region
aa 759-990
Stem loops 6 and 7 residues 329-490
sufficient binding region
nt 329-490
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 transcription.

FBrf0248824-2.NMR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Unr 

Unr

neutral component
Unr 

Unr

neutral component
Unr 
Unr 
Unr 
Unr 
Unr 

Unr

neutral component
Unr 
Unr 
Unr 
Unr 

roX2 lncRNA

neutral component

roX2 lncRNA

neutral component

roX2 lncRNA

neutral component
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
stem loop 6 domain
sufficient binding region
AAA AAA AUGC
Unr 
cold shock domain 9
sufficient binding region
aa 898-990
Unr 
cold shock domains 7 and 8
sufficient binding region
aa 756-922
Unr 
cold shock domains 1 and 2
sufficient binding region
aa 186-344
Unr 
cold shock domains 4-6
sufficient binding region
aa 422-677
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; protein produced as a recombinant fusion protein in bacterial system; RNA chemically synthesized.

External Crossreferences and Linkouts ( 0 )
References (3)