FB2024_03 , released June 25, 2024
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000097342
Interaction Network
Interactions Browser links
ci network
rdx network
esyN Network Diagram
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Protein
RNA
Selected Interactor(s)
Common Interactor(s)
Reported Interactions
FBrf0193969-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
rdx 

rdx

bait

MYC tag

ci 

Ci

prey
ci 
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 embryos of transgenic fly line; bait produced from tagged transgenic construct; prey produced from endogenous gene.

FBrf0194555-1.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
rdx 

HIB

bait

FLAG tag

rdx 
ci 

Ci

prey

Myc tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
rdx 
MATH domain
sufficient binding region
aa 1-179
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 transfected construct.

The interaction of full length rdx with ci is increased in the presence of proteasome inhibitor MG132.

Su(fu) and rdx compete for binding to ci.

FBrf0194555-2.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

Myc tag

ci 
ci 
rdx 

HIB

prey

FLAG tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
ci 
N-terminal region
sufficient binding region
aa 1-440
ci 
C-terminal region
sufficient binding region
aa 1160-1377
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 transfected construct.

Both the N- and C-terminal regions of ci bind rdx.

FBrf0194555-3.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
rdx 

HIB

bait

GST tag

rdx 
ci 

Ci

prey

Myc tag

ci 
ci 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
rdx 
MATH domain
sufficient binding region
aa 1-179
ci 
N-terminal region
sufficient binding region
aa 1-440
ci 
C-terminal region
sufficient binding region
aa 1160-1377
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 derived from S2 cell line.

FBrf0194555-4.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

fused to GAL4 DNA-binding domain

ci 
ci 
rdx 

HIB

prey

fused to GAL4 activation domain

rdx 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
rdx 
MATH domain
sufficient binding region
aa 1-179
ci 
N-terminal region
sufficient binding region
aa 1-440
ci 
C-terminal region
sufficient binding region
aa 1268-1377
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Source was yeast cell line; bait produced as transgenic fusion protein; prey produced as transgenic fusion protein (prey was previously cloned reagent).

Two-hybrid system: yeast GAL4-BD/GAL4-AD

FBrf0212658-1.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

fused to LexA DNA-binding domain

ci 
rdx 

rdx

prey

fused to GAL4 activation domain

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
ci 
N-terminal region
sufficient binding region
aa 1-441
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Two-hybrid system: yeast LexA-BD/GAL4-AD

Source was yeast cell line; bait produced as transgenic fusion protein; prey produced as transgenic fusion protein (prey from adult cDNA expression library).

FBrf0212658-4.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

HA tag

rdx 

rdx

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

rdx and Kap-α3 compete for binding to ci.

Source was cell extract of clone8 cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0215181-1.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

fused to GAL4 DNA-binding domain

ci 
ci 
ci 
rdx 

HIB

prey

fused to GAL4 activation domain

rdx 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
ci 
interaction domain
sufficient binding region
aa 268-378

coordinates relative to ci-PA

ci 
interaction domain
necessary binding region
aa 369-378

coordinates relative to ci-PA

ci 
interaction domain
mutation disrupting interaction
aa 369aa 372aa 373aa 374aa 375

E369A, coordinates relative to ci-PA

S372A, coordinates relative to ci-PA

S373A or S373D, coordinates relative to ci-PA

S374A or S374D, coordinates relative to ci-PA

S375A or S375D, coordinates relative to ci-PA

rdx 
N-terminal domain
sufficient binding region
aa 1-179

coordinates relative to rdx-PB

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

Source was yeast cell line; bait produced as transgenic fusion protein; prey produced as transgenic fusion protein (prey was previously cloned reagent).

Two-hybrid system: yeast GAL4-BD/GAL4-AD

FBrf0215181-2.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

GST tag

ci 
ci 
ci 
ci 
ci 
ci 
ci 
rdx 

HIB

prey

HA tag

rdx 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
rdx 
N-terminal
sufficient binding region
aa 1-179

coordinates relative to rdx-PB

ci 
S,T rich domain 1
sufficient binding region
aa 46-57

coordinates relative to ci-PA

ci 
S,T rich domain 2
sufficient binding region
aa 216-227

coordinates relative to ci-PA, observed interaction is weak

ci 
S,T rich domain 3
sufficient binding region
aa 368-376

coordinates relative to ci-PA

ci 
S,T rich domain 4
sufficient binding region
aa 379-392

coordinates relative to ci-PA

ci 
S,T rich domain 5
sufficient binding region
aa 1267-1276

coordinates relative to ci-PA, observed interaction is weak

ci 
S,T rich domain 6
sufficient binding region
aa 1359-1366

coordinates relative to ci-PA

ci 
S,T rich domain 4
mutation increasing interaction
aa 386

A386S, coordinates relative to ci-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 derived from S2 cell extract.

Six S,T rich motifs in ci independently bind rdx.

FBrf0215181-3.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

Myc or HA tag

ci 
ci 
ci 
ci 
ci 
rdx 

HIB

prey

FLAG or Myc tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
ci 
N-terminal domain
sufficient binding region
aa 1-440

coordinates relative to ci-PA

ci 
C-terminal domain
sufficient binding region
aa 1160-1377

coordinates relative to ci-PA

ci 
interaction domain
mutation decreasing interaction
aa 372-375,382,384-385,387-388,1363-1366aa 50-52,218-220,223,225,1268,1270,1273,1275

all S to A mutations,coordinates relative to ci-PA

coordinates relative to ci-PA

ci 
S,T rich domains 1-6
mutation disrupting interaction
50-52,218-220,223,225,372-375,382,384-385,387-388,1268,1270,1273,1275,1363-1366

all S to A mutations, coordinates relative to ci-PA

ci 
S,T rich domains 1-4,6,w
mutation disrupting interaction
50-52,218-220,223,225,372-375,382,384-385,387-388,1363-1366,1293-1295

S,T to A mutations in the context of full length ci, coordinates relative to ci-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 transfected construct.

FBrf0215181-4.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
rdx 

HIB

bait

FLAG tag

ci 

Ci

prey

Myc tag

ci 
ci 
ci 
ci 
ci 
ci 
ci 
ci 
ci 
ci 
ci 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
ci 
N-terminal domain
sufficient binding region
aa 1-440

coordinates relative to ci-PA

ci 
N-terminal domain
necessary binding region
aa 1-267

in the context of N-terminal fragment, coordinates relative to ci-PA

ci 
interaction domain
sufficient binding region
aa 1160-1306

coordinates relative to ci-PA

ci 
S,T rich domains 1-6
mutation disrupting interaction
50-52,218-220,223,225,372-375,382,384-385,387-388,1268,1270,1273,1275,1363-1366

all S to A mutations, coordinates relative to ci-PA

ci 
S,T rich domains 3 and 4
mutation disrupting interaction
372-375,382,384-385,387-388

S to A mutations in the context of N-terminal fragment aa 1-440, coordinates relative to ci-PA

ci 
S,T rich domains 2 and 3
mutation decreasing interaction
218-220,223,225,372-375

S to A mutations in the context of N-terminal fragment aa 1-440, coordinates relative to ci-PA

ci 
S,T rich domains 2 and 4
mutation decreasing interaction
218-220,223,225,382,384-385,387-388

S to A mutations in the context of N-terminal fragment aa 1-440, coordinates relative to ci-PA

ci 
S,T rich domains 1-4
mutation decreasing interaction
50-52,218-220,223,225,372-375,382,384-385,387-388

S to A mutations in the context of full length ci, coordinates relative to ci-PA

ci 
S,T rich domains 1-5
mutation disrupting interaction
50-52,218-220,223,225,372-375,382,384-385,387-388,1268,1270,1273,1275

S to A mutations in the context of full length ci, coordinates relative to ci-PA

ci 
C-terminal domain
necessary binding region
aa 1288-1397

in the context of C-terminal fragment, aa 1160-1397, coordinates relative to ci-PA

ci 
S,T rich domains 6 and w
mutation disrupting interaction
1363-1366,1293-1295

S,T to A mutations in the context of C-terminal fragment aa 1160-1377, coordinates relative to ci-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 transfected construct.

Mutation of ci S,T motifs 3,4 and 5 have the strongest effect on rdx binding.

FBrf0221943-14a.ENZ.MS
Reference
Description
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
rdx 

Rdx

enzyme

FLAG tag

rdx 

Rdx

enzyme

FLAG tag

ci 

Ci

enzyme target

GST tag

ci 

Ci

enzyme target

GST 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
FBrf0224822-1.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

CiN

bait

HA tag

rdx 

HIB

prey

Myc 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

Positive control.

No interaction detected between rdx and crn.

Source was cell extract of S2 cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0224822-2.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
rdx 

HIB

bait

Myc tag

ci 

CiN

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

Positive control.

No interaction detected between rdx and crn.

Source was cell extract of S2 cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0228220-1.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

Myc tag

rdx 

HIB

prey

HA tag

rdx 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
rdx 
MATH domain
sufficient binding region

coordinates not reported

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 transfected construct.

The ci-rdx interaction is reduced upon co-transfection of CK1 enzymes (CkIα, dco), and increased by CK1 dsRNA treatment. hh treatment stimulates the ci-rdx interaction.

FBrf0228220-3a.PD.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

GST tag

ci 
ci 
rdx 

HIB

prey

HA tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
ci 
HIB binding site S4
sufficient binding region
AQVEADSASSQLSD
ci 
HIB binding site S6
sufficient binding region
TLFPDVSSSTHPYHG
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 derived from transfected S2 cell extract.

FBrf0229673-8.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
rdx 

Hib

bait

HA tag

ci 

Ci

prey

Myc 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

The rdx-ci interaction is not affected by cotransfection of Usp7.

Source was cell extract of S2 cell line; bait produced from transfected construct; prey produced from transfected construct.

FBrf0245753-5.coIP.WB
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
ci 

Ci

bait

Myc tag

ci 
rdx 

HIB

prey

FLAG tag

rdx 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
rdx 
MATH domain
sufficient binding region
aa 1-179
ci 
phosphorylation target residues 218,220,1230,1233
mutation increasing interaction
aa 218,220,1230,1233

S218D,S220D,S1230D,S1233D coordinates relative to ci-PA

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

ci-rdx interaction assessed with a form of ci with PKA site mutations S838A, S856A, S892A.

Source was cell extract of S2 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 (9)