FB2024_03 , released June 25, 2024
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000098765
Interaction Network
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Protein
RNA
Selected Interactor(s)
Common Interactor(s)
Reported Interactions
FBrf0051643-1.CH.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
z 

zeste

self
z 

zeste

self
z 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
z 
C-terminal region
mutation decreasing interaction
aa 311-575

\'C-terminal truncation\' reduces oligomerization

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.

Recombinant z protein forms active oligomers with apparent molecular weight ranging from dimers to 5 MDa. C-terminal deletion reduces the apparent molecular weight of oligomers to a maximum of 440 kDa.

FBrf0057243-1.CS.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
z 

zeste

self
z 

zeste

self
z 
z 
z 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
z 
C-terminal region
necessary binding region
aa 505-575

\'ΔBsgB1\'

z 
C-terminal region
mutation disrupting interaction
aa 510aa 518

ΔY510, \'11G3\' allele

ΔL518

z 
C-terminal region
mutation decreasing interaction
aa 548aa 564

H548L

K564L

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

Recombinant protein was centrifuged for 10 minutes and the distribution of z protein in the pellet and the supernatant was monitored by western blot.

Interaction in vitro; protein produced by in vitro translation.

FBrf0057243-2.CS.WB
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
z 

zeste

self
z 

zeste

self
z 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
z 
C-terminal region
sufficient binding region
aa 486-575

forms higher-order oligomers

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.

Recombinant z protein forms 14.2S particles.

FBrf0058148-1.CH.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
z 

zeste

self
z 

zeste

self
z 
z 
z 
z 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
z 
C-terminal region
mutation increasing interaction
aa 564

K564L

z 
C-terminal region
mutation decreasing interaction
aa 548

H548L

z 
C-terminal region
mutation disrupting interaction
aa 518aa 510aa 550aa 555

L518P or L518D

Y510Δ

L550Q

L555Q

z 
C-terminal region
sufficient binding region
aa 505-575

\'C-Bst\'

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

Interaction in vitro; protein produced and labeled by in vitro translation.

Most z oligomers elute in the exclusion volume of the gel filtration column (> 2000 kDa).

FBrf0058148-2.XL.A
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
z 

zeste

self
z 

zeste

self
z 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
z 
C-terminal region
mutation disrupting interaction
aa 550aa 555

L550P

L555P

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

Interaction in vitro; protein produced and labeled by in vitro translation.

FBrf0216282-2.AF.MW
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
z 

Zeste

self

FLAG or HA tag

z 

Zeste

self

FLAG or HA tag

z 
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
z 
Leu-Zip domain
necessary binding region
unspecified
Isoform-specific participants
Corresponds to
Description
Role
Note
Comments concerning this interaction

Source was nuclear extract of Sf9 cell line; protein produced from transfected constructs.

FBrf0241977-447.Y2H
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
z 

z

bait

fused to GAL4 DNA-binding domain

z 

z

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
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

FBrf0253740-41.Y2H
Description
physical association
Assay
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
z 

Zeste

bait

fused to GAL4 DNA-binding domain

z 

Zeste

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
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).

External Crossreferences and Linkouts ( 0 )
References (6)