FB2026_03 , released September 17, 2026
Physical Interaction report
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General Information
Interaction Type
Interacting Genes
FlyBase ID
FBig0000109068
Interaction Network
Interactions Browser links
AkhR network
Akh network
Reported Interactions
FBrf0151467-1.LUM.MS
Description
physical association
Collection
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AkhR 

AKH receptor

bait
Akh 

AKH

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 CHO cell system; ligand derived from wild-type larval extract; receptor produced from transfected construct.

HPLC fractions tested for ability to activate AkhR in a heterologous CHO cell system. Protein in HPLC fractions was identified by mass spectrometry.

FBrf0151467-2.LUM
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AkhR 

AKH receptor

bait
Akh 

AKH

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 CHO cell system; ligand synthesized in vitro; receptor produced from transfected construct.

FBrf0152306-14.ENZ
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
AkhR 

CG11325

bait
Akh 

AKH

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

Source was frog oocytes; bait produced from injected RNA construct; prey peptide was synthesized in vitro.

Interaction inferred from inward currents across the plasma membrane in response to peptide application, measured by voltage clamp.

FBrf0218624-1.LUM
Description
physical association
Collection
Source/Stage
Cell line used
Participants
Corresponds to
Reported as
Role
Note
Akh 

Akh

unspecified role
Akh 

Akh

unspecified role
Akh 
Akh 
Akh 
Akh 
Akh 
Akh 
Akh 
Akh 
Akh 

Akh

unspecified role
Akh 
Akh 
Akh 
Akh 
Akh 
Akh 
Akh 
Akh 
AkhR 

AkhR

unspecified role
AkhR 

AkhR

unspecified role
AkhR 

AkhR

unspecified role
Experimental entities
Corresponds to
Identifier
Reported
Role
Note
Subregions with role in interaction
Corresponds to
Description
Role
Coordinates
Note
Akh 
interaction domain
sufficient binding region
aa 23-30
Akh 
residue 23
mutation decreasing interaction
aa 23

Q23A

Akh 
residue 24
mutation decreasing interaction
aa 24

L24A

Akh 
residue 25
mutation decreasing interaction
aa 25

T25A

Akh 
residue 26
mutation decreasing interaction
aa 26

F26A

Akh 
residue 27
mutation decreasing interaction
aa 27

S27G

Akh 
residue 28
mutation decreasing interaction
aa 28

P28G

Akh 
residue 30
mutation decreasing interaction
aa 30

W30G

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

Interaction in CHO cell system; ligand synthesized in vitro; receptor produced from transfected construct.

Interaction based on ability of Akh to induce increase in [Ca2+] through AkhR in a heterologous system. Interaction inferred.

External Crossreferences and Linkouts ( 1 )
Linkouts
MIST - An integrated Molecular Interaction Database
References (3)