FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000097413
Interaction Network
Interactions Browser links
par-6 network
baz network
Reported Interactions
FBrf0132422-1.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
baz 

Baz

bait

MBP tag

DmPAR-6

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; bait produced as a recombinant fusion protein in bacterial system; prey derived from wild-type embryonic extract.

FBrf0132422-2.PD.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
baz 

Baz

bait

MBP tag

DmPAR-6

prey

[35]S 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

par-6 interacts with baz but not insc in this assay.

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

FBrf0157155-9.PD.WB
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note
baz 

Baz

bait

MBP tag

Par-6

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

baz pulls down aPKC and par-6, but not l(2)gl in this assay.

Interaction in vitro; bait produced as a recombinant fusion protein in bacterial system; prey derived from wild-type embryonic extract.

FBrf0174952-1.PD.MW
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Par-6

bait

GST tag

baz 

Par-3

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

The par-6-baz interaction is not affected by Cdc42.

Interaction in vitro; bait produced as a recombinant fusion protein in bacterial system; prey produced as a recombinant fusion protein in bacterial system.

FBrf0179253-4.PD.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Par-6

bait

GST tag

baz 

Baz

prey

[35]S 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

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

FBrf0179422-2.coIP.WB
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Par-6

bait
baz 

Baz

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 third instar larval body walls of wild-type fly line; bait produced from endogenous gene; prey produced from endogenous gene.

Presynaptic over-expression of baz increases interaction with par-6.

FBrf0206088-11.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Par-6

bait

GST tag

baz 

Baz

prey

GFP 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

Interaction in vitro; bait produced as a recombinant fusion protein in bacterial system; prey derived from transgenic embryo extract.

FBrf0206088-5.coIP.WB
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Par-6

bait
baz 

Baz

prey

GFP 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 interaction of par-6 with baz is enhanced in l(2)gl mutants, and reduced upon over expression of l(2)gl.

Source was larval brains of transgenic fly line; bait produced from endogenous gene; prey produced from tagged transgenic construct.

FBrf0210663-3.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
baz 

Baz

bait

MBP tag

baz 

PAR-6

prey

GFP tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
baz 
first PDZ domain
sufficient binding region
aa 251-450

coordinates relative to baz-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 transgenic embryonic extract.

This interaction is disrupted by low concentrations of crb intracellular domain.

FBrf0245102-2.PD.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
baz 

Par-3

bait

MBP tag

baz 

Par-6

prey

His tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
baz 
PDZ2 domain
necessary binding region
aa 437-533

coordinates relative to baz-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 purified from transfected HEK293-F cells.

The baz-par-6 interaction was detected with aPKC also present. aPKC and par-6 were copurified from transfected HEK293-F cells.

FBrf0250610-1.NMR
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Par6

neutral component

Par6

neutral component

Par6

neutral component
baz 
baz 
baz 

Par3

neutral component
baz 

Par3

neutral component
baz 
baz 
baz 

Par3

neutral component
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
PBM domain residues 349-351
mutation disrupting interaction
aa 349-351

L349A, H350A, L351A; within the context of aa 344-351; coordinates relative to par-6-PA

baz 
PDZ1 domain
sufficient binding region
aa 330-419
baz 
PDZ3 domain
sufficient binding region
aa 634-760

The β2-3 loop severely compromised spectral quality and was thus removed from this domain.

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

Interaction in vitro; protein produced as a recombinant fusion protein in bacterial system; RNA chemically synthesized.

Combined baz PDZ1-3 domain protein is able to simultaneously bind 2 par-6 proteins. par-6 PBM is able to compete with shg for binding to baz.

FBrf0250610-2.PD.MW
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
baz 

Par3

bait

GST tag

baz 

Par6

prey

Sumo tag

Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
PBM domain
necessary binding region
aa 344-351

coordinates relative to par-6-PA

baz 
PDZ1 domains
sufficient binding region
aa 330-760
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; bait and prey produced as recombinant fusion proteins in bacterial system.

FBrf0250610-3.XC
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note

Par6

neutral component

Par6

neutral component

Par6

neutral component
baz 

Par3

neutral component
baz 
baz 

Par3

neutral component
baz 

Par3

neutral component
baz 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
PBM domain
sufficient binding region
aa 344-351

coordinates relative to par-6-PA

baz 
PDZ1 domain
sufficient binding region
aa 330-419
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Interaction in vitro; proteins produced as a recombinant fusion proteins in bacterial system.

par-6 PBM and baz PDZ1 produced from fusion construct.

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (9)