FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000098850
Interaction Network
Interactions Browser links
DIP-α network
dpr10 network
Reported Interactions
FBrf0222867-131.ELISA
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

CG32791

bait

Fc tag

dpr10

prey

alkaline phosphatase tag, COMP pentamerization motif

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
extracellular domain
sufficient binding region
extracellular domain
sufficient binding region
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; bait derived from conditioned media of transfected S2 cell line; prey derived from conditioned media of transfected S2 cell line.

FBrf0222867-45.ELISA
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

dpr10

bait

Fc tag

CG32791

prey

alkaline phosphatase tag, COMP pentamerization motif

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
extracellular domain
sufficient binding region
extracellular domain
sufficient binding region
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; bait derived from conditioned media of transfected S2 cell line; prey derived from conditioned media of transfected S2 cell line.

FBrf0230454-35.ELISA
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

dpr10

bait

Fc tag

DIP-α

prey

alkaline phosphatase tag, COMP pentamerization motif

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; bait derived from conditioned media of transfected S2 cell line; prey derived from conditioned media of transfected S2 cell line.

FBrf0230454-92.ELISA
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

DIP-α

bait

Fc tag

dpr10

prey

alkaline phosphatase tag, COMP pentamerization motif

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; bait derived from conditioned media of transfected S2 cell line; prey derived from conditioned media of transfected S2 cell line.

FBrf0241075-10.SPR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

DIP-α

bait

Dpr10

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
extracellular domain
sufficient binding region
aa 40-341

coordinates relative to DIP-α-PA

extracellular domain residue 83
mutation disrupting interaction
aa 83

I83D coordinates relative to DIP-α-PA

extracellular domain
sufficient binding region
aa 50-255

coordinates relative to dpr10-PD

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

Interaction in vitro; bait produced as a recombinant fusion protein in HEK293F cells; prey produced as a recombinant fusion protein in HEK293F cells.

FBrf0241500-10.XC
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Dpr10

neutral component

Dpr10

neutral component

Dpr10

neutral component

DIP-α

neutral component

DIP-α

neutral component

DIP-α

neutral component
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
IG1 domain
sufficient binding region
unspecified
IG1 domain
sufficient binding region
unspecified
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; proteins produced as a recombinant fusion proteins in baculoviral Sf9 cell system.

FBrf0241500-12.ELISA
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Dpr10

bait

Fc tag

DIP-α

prey

AP tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
IG1 domain
sufficient binding region
unspecified
IG1 domain
sufficient binding region
unspecified
IG1 domain residue 83
mutation increasing interaction
aa 83

I83A

IG1 domain residue 91
mutation decreasing interaction
aa 91

I91A

IG1 domain residue 125
mutation decreasing interaction
aa 83

Q125A

IG1 domain residue 95
mutation decreasing interaction
aa 95

I95A

IG1 domain residue 103
mutation disrupting interaction
aa 103

Y103A

IG1 domain residue 138
mutation disrupting interaction
aa 138

Q138A

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

Interaction in vitro; bait derived from conditioned medium of transfected S2 cell line; prey derived from conditioned medium of transfected S2 cell line.

FBrf0245556-1.SPR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

DIP-α

bait

Dpr10

prey
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Ig1 domain, residues 93,142,144
mutation disrupting interaction
aa 93142144

L93G,Q142E,V144K, coordinates relative to dpr10-PA

Ig1 domain, residue 138
mutation decreasing interaction
aa 138

Q138D, , coordinates relative to dpr10-PA

Ig1 domain, residue 81
mutation decreasing interaction
aa 81

K81Q

Ig1 domain, residue 82
mutation decreasing interaction
aa 82

A82T

Ig1 domain, residue 91
mutation decreasing interaction
aa 91

I91A

Ig1 domain, residue 74
mutation decreasing interaction
aa 74

G74L

Ig1 domain, residue 78
mutation increasing interaction
aa 78

A78K

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

Interaction in vitro; bait purified from transfected HEK293F cells; prey purified from transfected HEK293F cells.

Kd = 1.5uM, average of 5 independent measurements

FBrf0253099-1.SPR
Reference
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Dip-α

bait

His tag

Dpr10

prey

His tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
interaction domain residue 74
mutation increasing interaction
aa 74

G74A

interaction domain residue 81
mutation decreasing interaction
aa 81

K81Q

interaction domain residues 81 and 74
mutation decreasing interaction
aa 81 and 74

K81Q, G74A

interaction domain residue 142
mutation increasing interaction
aa 142

Q142M

interaction domain residue 138
mutation decreasing interaction
aa 138

Q138D

interaction domain residue 144
mutation decreasing interaction
aa 138

V144K

interaction domain residues 144; 142; 99
mutation decreasing interaction
aa 144, 142, 99

V144K, Q142E, G99D

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

Typo in Fig1A for the interaction Kd of wild-type DIP-α and dpr10 Q142M; the correct value is demonstrated in the graph, text and Fig A,B. DIP-α wild type and mutant interaction Kds with wild type dpr10 : wild type 1.36um, G74A 0.91um, Q81Q 31.8, K81Q and G74S 68.0um; dpr10 mutant interaction Kds with wild type DIP-α : Q142M 0.19um, Q138D 27.8um, V144K 11.3, V144K, Q142E and G99D 50um; DIP-α G74A interaction with dpr10 Q142M Kd: 0.104.

Interaction in vitro; bait and prey produced from transfected constructs in HEK293F cells.

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (6)