FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000097702
Interaction Network
Interactions Browser links
mle network
lncRNA:roX2 network
Reported Interactions
FBrf0125179-2.coIP.PCR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

Mle

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 cell extract of SL2 cell line; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0129699-6.coIP.PCR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

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 cell extract of SL2 cell line; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0160428-3.coIP.PCR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

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 whole cell extracts; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0204269-1.EMSA.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

His tag

mle 
mle 
mle 
mle 

roX2

prey

[32]P label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mle 
RB2 domain
sufficient binding region
aa 122-340
mle 
RB2 domain
necessary binding region
aa 122-267
mle 
C-terminal G domain
sufficient binding region
aa 1163-1289
mle 
ATPase domain
mutation decreasing interaction
aa 413

K413E

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

Interaction in vitro; bait produced as a recombinant fusion protein in baculovirus and Sf9 cell system; prey produced and labeled by in vitro transcription.

mle binds double-stranded RNA more strongly than single-stranded RNA. Deletion of the C-terminal G domain of mle increases its interaction with single-stranded RNA.

FBrf0204269-2.FB.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

His or FLAG tag

mle 
mle 
mle 

roX2

prey

[32]P label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mle 
RB2 domain
sufficient binding region
aa 122-340
mle 
C-terminal G domain
sufficient binding region
aa 1163-1289
mle 
RB2 domain
necessary binding region
aa 122-267
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; bait produced as a recombinant fusion protein in baculovirus and Sf9 cell system; prey produced and labeled by in vitro transcription.

FBrf0204269-3.ENZ.A
Reference
Description
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

enzyme

His or FLAG tag

mle 

MLE

enzyme

His or FLAG tag

mle 

roX2

enzyme target

P[32] label

roX2

enzyme target

P[32] label

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
FBrf0220106-16.coIP.PCR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

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 cell extract of SL2 cell line; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0222154-10.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

boxB tag

mle 

MLE

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
exon 3
sufficient binding region
nt 606-885nt 886-1112

construct \'1-280\', binding does not require ATP

construct \'281-504\', binding requires ATP

R2H1 stem loop
necessary binding region
R2H2 stem loop
necessary binding region
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

RNA-protein interactions were characterized by GRNA chromatography. roX2 RNA was tagged with the boxB RNA element, and bound to glutathione beads by virtue of the interaction between boxB and a GST fusion to the λ[[N22]] peptide. This resin was incubated with nuclear extracts, bound proteins were eluted by RNaseA treatment, and characterized by western blot.

Interaction in vitro; bait produced by in vitro transcription; prey derived from wild-type embryonic nuclear extract.

In this assay, roX2 RNA pulled down mle but not msl-2.

Binding modes of mle to roX2 differ for different roX2 regions: binding of mle to the roX2 region containing R2H1 and R2H2/3 is ATP-independent, but binding to the roX2 region containing R2H4, R2H5 and R2H6 stem loops does require ATP.

FBrf0222154-11.EMSA.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

His tag

mle 
mle 

roX2

prey

[32]P label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mle 
dsRBD1 and dsRBD2
sufficient binding region
aa 1-254
mle 
dsRBD1 and dsRBD2
mutation disrupting interaction
aa 4-198

\'KHR\' mutant, K4E, H196E, R198E

exon 3
sufficient binding region
nt 606-885

coordinates relative to transcript roX2-RB

R2H1 stem loop
necessary binding region
R2H2 stem loop
necessary binding region
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

RNA-protein interactions were characterized by GRNA chromatography. roX2 RNA was tagged with the boxB RNA element, and bound to glutathione beads by virtue of the interaction between boxB and a GST fusion to the λ[[N22]] peptide. This resin was incubated with nuclear extracts, bound proteins were eluted by RNaseA treatment, and characterized by western blot.

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

In this assay, roX2 RNA pulled down mle but not msl-2.

FBrf0222154-12.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

boxB tag

mle 

MLE

prey
mle 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
exon 3
sufficient binding region
nt 606-885nt 886-1112

construct \'1-280\', binding does not require ATP

construct \'281-504\', binding requires ATP

mle 
dsRBD1 and dsRBD2
mutation disrupting interaction
aa 4-198

\'KHR\' mutant, K4E, H196E, R198E

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

RNA-protein interactions were characterized by GRNA chromatography. roX2 RNA was tagged with the boxB RNA element, and bound to glutathione beads by virtue of the interaction between boxB and a GST fusion to the λ[[N22]] peptide. This resin was incubated with nuclear extracts, bound proteins were eluted by RNaseA treatment, and characterized by western blot.

Interaction in vitro; bait produced by in vitro transcription; prey derived from transgenic embryonic nuclear extract.

Binding modes of mle to roX2 differ for different roX2 regions: binding of mle to the roX2 region containing R2H1 and R2H2/3 is ATP-independent, but binding to the roX2 region containing R2H4, R2H5 and R2H6 stem loops does require ATP.

FBrf0222154-6.XL.coIP.SEQ
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

roX2

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
exon 3
sufficient binding region
nt 606-1112

coordinates relative to transcript roX2-RB

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

RNA-protein interactions were characterized using the iCLIP protcol (cross-linking and immunoprecipitation). RNA was UV-crosslinked to protein, isolated by immunoprecipitation using mle antibody, and characterized by deep sequencing analysis.

Source was cell extract of clone8 cell line; bait produced from endogenous gene; prey produced from endogenous gene.

Though mle bound to 2,447 sites, roX1 and roX2 sites scored considerably higher, representing over three quarters of all observed cross-linking events.

FBrf0222160-10a.coIP.PCR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

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

FBrf0222160-2.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

MS2 stem loop tag

mle 

MLE

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SLroX2 stem loop
sufficient binding region
CAUUGUACAAGUCGCAAUGCAAACUGAAGUCUUAAAAGACGUGUAAAAUGUUGCAAAUUAAGCAAAUAUAUAUGCAUAUAUGGGUAACGUUUUACGCGCCUUAACCAGUCAAAAUACAAAAUAA

\'roX2-123\'

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

RNA bait was tagged with MS2 stem loops, and immobilized on amylose beads using a fusion of MS2-binding protein and maltose binding protein (MBP).

mle binds to a conserved stem loop in roX1 and roX2.

ATP improves the binding affinity and specificity of mle for the conserved roX1/roX2 stem loop.

Interaction in vitro; bait produced by in vitro transcription; prey derived from L2-4 (SL2 cell line derivative) nuclear extract.

FBrf0222160-3.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

MS2 stem loop tag

mle 

MLE

prey

FLAG tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SLroX2 stem loop
sufficient binding region
CAUUGUACAAGUCGCAAUGCAAACUGAAGUCUUAAAAGACGUGUAAAAUGUUGCAAAUUAAGCAAAUAUAUAUGCAUAUAUGGGUAACGUUUUACGCGCCUUAACCAGUCAAAAUACAAAAUAA

\'roX2-123\'

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

RNA bait was tagged with MS2 stem loops, and immobilized on amylose beads using a fusion of MS2-binding protein and maltose binding protein (MBP).

Interaction in vitro; bait produced by in vitro transcription; prey produced as a recombinant fusion protein in baculovirus-infected Sf21 cell system.

Binding and specificity of mle for roX2 is stimulated by ATP.

FBrf0222160-5.FT.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

[32]P label

mle 

MLE

prey

FLAG tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SLroX2 terminal loop
sufficient binding region
AAUAUA
SLroX2 single stranded flanking region
sufficient binding region
AAGUCUU
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Radiolabeled roX2 RNA was probed by chemical and enzymatic footprinting in the presence or absence of mle.

Interaction in vitro; bait produced by in vitro transcription; prey produced as a recombinant fusion protein in baculovirus-infected Sf21 cell system.

The roX2 stem is disrupted by mle in the presence of ATP.

mle binds and remodels many regions of the roX2 RNA, in addition to the SLroX2 stem loop.

FBrf0222160-6.EMSA.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

FLAG 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
SLroX2 stem loop
sufficient binding region
CAUUGUACAAGUCGCAAUGCAAACUGAAGUCUUAAAAGACGUGUAAAAUGUUGCAAAUUAAGCAAAUAUAUAUGCAUAUAUGGGUAACGUUUUACGCGCCUUAACCAGUCAAAAUACAAAAUAA

\'roX2-123\'

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

Interaction in vitro; bait produced by in vitro transcription; prey produced as a recombinant fusion protein in baculovirus-infected Sf21 cell system.

In the presence of ATP, mle forms higher order complexes with roX2.

FBrf0222160-8a.coIP.MW
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

FLAG tag

roX2

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SLroX2 stem loop
sufficient binding region
CAUUGUACAAGUCGCAAUGCAAACUGAAGUCUUAAAAGACGUGUAAAAUGUUGCAAAUUAAGCAAAUAUAUAUGCAUAUAUGGGUAACGUUUUACGCGCCUUAACCAGUCAAAAUACAAAAUAA

\'roX2-123\'

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

Interaction in vitro; bait produced as a recombinant fusion protein in baculovirus-infected Sf21 cell system; prey produced by in vitro transcription.

In the presence of ATP, mle forms higher order complexes with roX2.

FBrf0226073-5.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

MS2 tag

mle 

MLE

prey

FLAG 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

Interaction in vitro; bait produced by in vitro transcription; prey produced as a recombinant fusion protein in baculovirus-infected Sf21 cell system.

The roX2-mle interaction is stimulated by the addition of Unr.

FBrf0229405-2.PLA
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

neutral component

roX2

neutral component

roX2

neutral component
mle 

mle

neutral component
mle 

mle

neutral component
mle 

mle

neutral component
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

Factors were detected on polytene chromosomes using antibodies (to proteins) or biotinylated antisense probes (to ncRNA). The PLA signal develops only if probes to the two factors are in close proximity to each other (within tens of nanometers).

Source was larval salivary gland of wild-type fly line; proteins produced from endogenous gene.

FBrf0230063-1.coIP.PCR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

mle

bait

GFP tag

mle 
mle 
mle 
mle 

roX2

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mle 
dsRBD2 domain residue 162
mutation decreasing interaction
aa 162

H162E, coordinates relative to mle-PA

mle 
dsRBD2 domain residue 196
mutation decreasing interaction
aa 196

H196E, coordinates relative to mle-PA

mle 
dsRBD2 domain residue 225
mutation decreasing interaction
aa 225

K225E, coordinates relative to mle-PA

mle 
OB-like domain residues 1032-1033
mutation decreasing interaction
aa 1032,1033

H1032E,K1033E, coordinates relative to mle-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.

FBrf0230063-2.EMSA.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

mle

bait

His tag

mle 
mle 
mle 

roX2

prey

[32]P label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SL7
sufficient binding region
unspecified

123nt sequence spanning stem-loop 7, including roX-box1

mle 
dsRBD2 domain residue 196
mutation decreasing interaction
aa 196

H196E, coordinates relative to mle-PA

mle 
dsRBD2 domain residue 225
mutation decreasing interaction
aa 225

K225E, coordinates relative to mle-PA

mle 
OB-like domain residues 1032-1033
mutation decreasing interaction
aa 1032,1033

H1032E,K1033E, coordinates relative to mle-PA

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.

FBrf0237085-1.CL.SEQ
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

HBH tag

mle 
mle 

roX2

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mle 
dsRBD2
mutation decreasing interaction
aa 196,198

H196E,R198E, coordinates relative to mle-PA

mle 
helicase domain residues 413
mutation decreasing interaction
aa 413

K413E, coordinates relative to mle-PA

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

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

FBrf0237085-3.AF.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

GST tag

mle 

MLE

prey

FLAG tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
3-prime end
sufficient binding region
nt 281-504
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; bait produced by in vitro transcription; prey derived from extract of transfected HEK293 cells.

mle interacts more strongly with the 3-prime end of roX2 than the 5-prime end in the presence of ATP.

FBrf0240007-4.CLIP.PCR
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

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 larvae; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0242087-1.EMSA.A
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait
mle 

roX2

prey

[32]P label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
R2H1 hairpin
sufficient binding region
mle 
RBD1 and RBD2
sufficient binding region
aa 1-264
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.

FBrf0242087-2.FPS
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait
mle 
mle 
mle 
mle 
mle 
mle 

roX2

prey

fluorescein label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
R2H1 hairpin
sufficient binding region
R2H1 hairpin nt 155
mutation decreasing interaction
nt 155

G155A, coordinates relative to lncRNA:roX2-RA

R2H1 hairpin nt 138
mutation decreasing interaction
nt 138

C138G, coordinates relative to lncRNA:roX2-RA

R2H1 hairpin nt 115
mutation decreasing interaction
nt 115

U115A, coordinates relative to lncRNA:roX2-RA

mle 
RBD1 and RBD2
sufficient binding region
aa 1-264

coordinates relative to mle-PA

mle 
RBD2 residues 223,224,225,229
mutation decreasing interaction
aa 223,224,225,229

N223A,K224E,K225E,K229E, coordinates relative to mle-PA

mle 
RBD2 residues 171,175
mutation decreasing interaction
aa 171,175

K171E,N175A, coordinates relative to mle-PA

mle 
RBD2 residues 196
mutation decreasing interaction
aa 196

H196A, coordinates relative to mle-PA

mle 
RBD1 residues 52,53,54,58
mutation decreasing interaction
aa 52,53,54,58

N52A,K53E,K54E,K58E, coordinates relative to mle-PA

mle 
RBD1 residues 4,5
mutation decreasing interaction
aa 4,5

K4E,S5A, coordinates relative to mle-PA

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 chemically synthesized and labeled in vitro.

Kd = 0.20uM

FBrf0242087-3.XC
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait
mle 

roX2

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
R2H1 hairpin
sufficient binding region
mle 
RBD1 and RBD2
sufficient binding region
aa 1-264
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.

FBrf0242087-4.coIP.PCR
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

GFP tag

mle 
mle 
mle 
mle 

roX2

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mle 
RBD1 residues 52,53,54,58
mutation decreasing interaction
aa 52,53,54,58

N52A,K53E,K54E,K58E, coordinates relative to mle-PA

mle 
RBD2 residues 171,175
mutation decreasing interaction
aa 171,175

K171E,N175A, coordinates relative to mle-PA

mle 
RBD2 residues 196
mutation decreasing interaction
aa 196

H196E, coordinates relative to mle-PA

mle 
RBD2 residues 223,224,225,229
mutation decreasing interaction
aa 223,224,225,229

N223A,K224E,K225E,K229E, coordinates relative to mle-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.

FBrf0242725-1.NMR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2-lncRNA

neutral component

roX2-lncRNA

neutral component

roX2-lncRNA

neutral component
mle 

MLE

neutral component
mle 
mle 
mle 
mle 
mle 
mle 
mle 

MLE

neutral component
mle 

MLE

neutral component
mle 
mle 
mle 
mle 
mle 
mle 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mle 
dsRBD2
sufficient binding region
aa 155-257aa 155-257

14merLoop, coordinates relative to mle-PA

coordinates relative to mle-PA

mle 
dsRBD1
sufficient binding region
aa 1-84

coordinates relative to mle-PA

mle 
dsRBD1 residue 4
mutation decreasing interaction
aa 4

K4E, coordinates relative to mle-PA

mle 
dsRBD1 residue 53
mutation disrupting interaction
aa 53

K53E, coordinates relative to mle-PA

mle 
dsRBD1 residue 54
mutation disrupting interaction
aa 54

K54E, coordinates relative to mle-PA

mle 
dsRBD1 residues 53,54
mutation disrupting interaction
aa 53,54

K53E,K54E, coordinates relative to mle-PA

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

mle dsRBD1,2 bound RNA with higher affinity than either individual RBD.

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

FBrf0242725-2.ITC
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait
mle 

roX2-lncRNA

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SL7
sufficient binding region
nt 422-437,465-478

coordinates relative to lncRNA:roX2-RA

mle 
dsRBD2
sufficient binding region
aa 155-257

14merLoop, coordinates relative to mle-PA

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 in vitro transcription.

FBrf0242725-3.FB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait
mle 
mle 
mle 
mle 
mle 
mle 
mle 

roX2-lncRNA

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
SL7
sufficient binding region
nt 422-437,465-478

14merLoop, coordinates relative to lncRNA:roX2-RA

mle 
dsRBD1
sufficient binding region
aa 1-84

coordinates relative to mle-PA

mle 
dsRBD2
sufficient binding region
aa 155-257

coordinates relative to mle-PA

mle 
dsRBD1 residue 4
mutation decreasing interaction
aa 4

K4E, coordinates relative to mle-PA

mle 
dsRBD1 residue 54
mutation decreasing interaction
aa 54

K54E, coordinates relative to mle-PA

mle 
dsRBD1 residues 53,54
mutation decreasing interaction
aa 53,54

K53E,K54E, coordinates relative to mle-PA

mle 
dsRBD2 residue 225
mutation decreasing interaction
aa 225

K225E, coordinates relative to mle-PA

mle 
dsRBD1,2 residue 54,225
mutation disrupting interaction
aa 54,225

K54E,K225E, coordinates relative to mle-PA

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 in vitro transcription.

FBrf0242725-4.coIP.PCR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

GFP tag

mle 

roX2-lncRNA

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mle 
dsRBD2 residue 225
mutation decreasing interaction
aa 225

K225E, coordinates relative to mle-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.

FBrf0246226-1.coIP.SEQ
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

FLAG tag

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

In presence of ATP, mle significantly enriched lncRNA:roX2 from the S2 transcriptome

Interaction in vitro. Source was cell extract of a male S2 cell line; bait produced as a recombinant fusion protein in bacterial system; prey produced from endogenous gene.

FBrf0246226-13.coIP.SEQ
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

lncRNA: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 cell extract of a male S2 cell line; bait produced from endogenous gene; prey produced from endogenous gene.

FBrf0246226-19.XL.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

roX2

bait

biotin label

mle 

MLE

prey

Flag tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
3 prime consensus box
sufficient binding region
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.

FBrf0246226-2.coIP.SEQ
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

FLAG tag

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

In presence of ATP, mle significantly enriched lncRNA:roX2 from the S2 transcriptome

Interaction in vitro. Source was cell extract of a clone 8 cell line; bait produced as a recombinant fusion protein in bacterial system; prey produced from endogenous gene.

FBrf0246226-5.coIP.SEQ
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

FLAG tag

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

Interaction in vitro. Source was cell extract of adult male heads; bait produced as a recombinant fusion protein in bacterial system; prey produced from endogenous gene.

FBrf0246226-8.coIP.SEQ
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mle 

MLE

bait

FLAG tag

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

Interaction in vitro. Source was cell extract of adult female heads; bait produced as a recombinant fusion protein in bacterial system; prey produced from endogenous gene.

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (15)