FB2024_03 , released June 25, 2024
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000102736
Interaction Network
Interactions Browser links
mbc network
Crk network
esyN Network Diagram
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Protein
RNA
Selected Interactor(s)
Common Interactor(s)
Reported Interactions
FBrf0180198-6.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Crk 

Crk

bait

FLAG tag

mbc 

Mbc

prey

HA tag

mbc 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mbc 
proline rich domain
necessary binding region
aa 1662-1970

"ΔPRM" construct, coordinates relative to mbc-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.

FBrf0194774-1.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mbc 

mbc

bait

fused to GAL4 DNA-binding domain

mbc 
Crk 

DCrk

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
mbc 
PXXP motifs
necessary binding region
aa 1807-1970

This construct lacks the C terminal PXXP motifs and also has P to A mutations as aa 110 and aa 113

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.

MBC SH3 domain was also cloned and used as a negative control.

FBrf0194774-2.coIP.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
mbc 

mbc

bait

HA tag

mbc 
Crk 

DCrk

prey

FLAG tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
mbc 
PXXP motifs
necessary binding region
aa 1807-1970aa 1662-1970

This construct lacks the C terminal PXXP motifs and also has P to A mutations at aa 110 and aa 113

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.

Authors conclude that either isoform of Crk can interact strongly with MBC and neither is capable of binding to MBC in the absence of this region.

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (2)