FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000102357
Interaction Network
Interactions Browser links
spag network
Hsc70-3 network
Reported Interactions
FBrf0224244-10.coIP.MS
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
spag 

Spag

bait

FLAG tag

CG4147

prey

12 peptides identified

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 soluble cytosolic extract of S2 cell line; bait produced from transfected construct; prey produced from endogenous gene.

Affinity purification of bait and identification of prey by MALDI peptide mapping.

FBrf0224244-21.PD.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
spag 

Spag

bait

GST tag

spag 

HSC70-3

prey

[35]S label

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
spag 
C-terminal region
necessary binding region
aa 231-490

\'Δ2Ct\'

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 translation.

The spag TPR motifs are necessary for Hsc70-4 binding, while the spag C-terminus is necessary for Hsc70-3 binding.

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