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Gustatory receptor 28b

Summary

Gene Symbol

Gr28b

Organism

Drosophila melanogaster (fruit fly)

External Links

NCBI Gene

117496

PubChem

117496

Alliance of Genome Resources

FB:FBgn0045495

Annotation

Keyword

Alternative splicing
Cell membrane
Glycoprotein
Receptor
Reference proteome
Transducer
Transmembrane helix

Proteins

Displaying 1 entry
UniProt	Protein Name
Q9VM08

Annotation information from UniProt.

Gene Ontology (GO)

Displaying entries **1 - 5** of 14 in total

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GO Term	Evidence Code	PMID
immune response	IMP	19597539
phototransduction	IDA	21068723
feeding behavior	IMP	19597539
chemosensory behavior	IBA
male courtship behavior	IBA

GO Hierarchy

biological process

immune system process [inference]

immune response

innate immune response [inference]

melanization defense response

metabolic process [inference]

secondary metabolic process [inference]

melanin metabolic process [inference]

melanization defense response

pigment metabolic process [inference]

melanin metabolic process [inference]

melanization defense response

cellular metabolic process [inference]

cellular aromatic compound metabolic process [inference]

phenol-containing compound metabolic process [inference]

melanin metabolic process [inference]

melanization defense response

organic substance metabolic process [inference]

organic cyclic compound metabolic process [inference]

phenol-containing compound metabolic process [inference]

melanin metabolic process [inference]

melanization defense response

organic hydroxy compound metabolic process [inference]

phenol-containing compound metabolic process [inference]

melanin metabolic process [inference]

melanization defense response

cellular process [inference]

signal transduction [inference]

phototransduction

cellular metabolic process [inference]

cellular aromatic compound metabolic process [inference]

phenol-containing compound metabolic process [inference]

melanin metabolic process [inference]

melanization defense response

transmembrane transport [inference]

monoatomic ion transmembrane transport

reproductive process [inference]

reproductive behavior [inference]

mating behavior [inference]

courtship behavior [inference]

male courtship behavior

male mating behavior [inference]

male courtship behavior

multicellular organismal process [inference]

system process [inference]

nervous system process [inference]

sensory perception [inference]

sensory perception of chemical stimulus [inference]

sensory perception of taste

behavior [inference]

reproductive behavior [inference]

mating behavior [inference]

courtship behavior [inference]

male courtship behavior

male mating behavior [inference]

male courtship behavior

thermosensory behavior

locomotion [inference]

taxis [inference]

energy taxis [inference]

phototaxis [inference]

negative phototaxis

negative energy taxis [inference]

negative phototaxis

biological process involved in interspecies interaction between organisms [inference]

response to other organism [inference]

response to bacterium [inference]

defense response to bacterium

defense response to other organism [inference]

defense response to bacterium

innate immune response [inference]

melanization defense response

response to stimulus [inference]

response to stress [inference]

defense response [inference]

defense response to other organism [inference]

defense response to bacterium

innate immune response [inference]

melanization defense response

immune response

innate immune response [inference]

melanization defense response

response to external stimulus [inference]

detection of external stimulus [inference]

detection of light stimulus [inference]

phototransduction

response to external biotic stimulus [inference]

response to other organism [inference]

response to bacterium [inference]

defense response to bacterium

defense response to other organism [inference]

defense response to bacterium

innate immune response [inference]

melanization defense response

response to biotic stimulus [inference]

response to external biotic stimulus [inference]

response to other organism [inference]

response to bacterium [inference]

defense response to bacterium

defense response to other organism [inference]

defense response to bacterium

innate immune response [inference]

melanization defense response

response to abiotic stimulus [inference]

response to temperature stimulus [inference]

thermosensory behavior

response to radiation [inference]

response to light stimulus [inference]

detection of light stimulus [inference]

phototransduction

phototaxis [inference]

negative phototaxis

detection of abiotic stimulus [inference]

detection of light stimulus [inference]

phototransduction

detection of stimulus [inference]

detection of external stimulus [inference]

detection of light stimulus [inference]

phototransduction

detection of abiotic stimulus [inference]

detection of light stimulus [inference]

phototransduction

localization [inference]

establishment of localization [inference]

transport [inference]

monoatomic ion transport [inference]

monoatomic ion transmembrane transport

transmembrane transport [inference]

monoatomic ion transmembrane transport

biological regulation [inference]

regulation of biological process [inference]

regulation of cellular process [inference]

signal transduction [inference]

phototransduction

Displaying entries **1 - 5** of 6 in total

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GO Term	Evidence Code	PMID
plasma membrane	ISS
membrane	NAS	11516643
membrane	IEA
axon	IBA
dendrite	IBA

GO Hierarchy

cellular component

cellular anatomical entity [inference]

membrane

plasma membrane

cell projection [inference]

plasma membrane bounded cell projection [inference]

neuron projection [inference]

cell body [inference]

neuronal cell body

Displaying **all 3** entries
GO Term	Evidence Code	PMID
taste receptor activity	ISS	10710312
taste receptor activity	NAS	11516643
ligand-gated monoatomic ion channel activity	ISS

GO Hierarchy

molecular function

transporter activity [inference]

transmembrane transporter activity [inference]

monoatomic ion transmembrane transporter activity [inference]

monoatomic ion channel activity [inference]

ligand-gated monoatomic ion channel activity

passive transmembrane transporter activity [inference]

channel activity [inference]

monoatomic ion channel activity [inference]

ligand-gated monoatomic ion channel activity

gated channel activity [inference]

ligand-gated channel activity [inference]

ligand-gated monoatomic ion channel activity

molecular transducer activity [inference]

signaling receptor activity [inference]

transmembrane signaling receptor activity [inference]

taste receptor activity

Gene Ontology information from NCBI Gene and UniProt.

OrthoDB (Group)

Group level

Eukaryota

Group Name

Gustatory receptor

Functional Category

E: Amino acid transport and metabolism
G: Carbohydrate transport and metabolism
P: Inorganic ion transport and metabolism

Displaying 1 entry
Gene Ontology
sensory perception of taste

Displaying 1 entry
InterPro
7TM chemosensory receptor

International Collaboration

GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01

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Last updated: April 6, 2026

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