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Protein

Taste receptor type 2 member 4

Gene

TAS2R4

Organism
Pan paniscus (Pygmy chimpanzee) (Bonobo)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Gustducin-coupled receptor implicated in the perception of bitter compounds in the oral cavity and the gastrointestinal tract. Signals through PLCB2 and the calcium-regulated cation channel TRPM5 (By similarity). In airway epithelial cells, binding of denatonium increases the intracellular calcium ion concentration and stimulates ciliary beat frequency (By similarity).By similarity

Miscellaneous

Several bitter taste receptors are expressed in a single taste receptor cell.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionG-protein coupled receptor, Receptor, Transducer
Biological processSensory transduction, Taste

Names & Taxonomyi

Protein namesi
Recommended name:
Taste receptor type 2 member 4
Short name:
T2R4
Gene namesi
Name:TAS2R4
OrganismiPan paniscus (Pygmy chimpanzee) (Bonobo)
Taxonomic identifieri9597 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaePan
Proteomesi
  • UP000240080 Componenti: Chromosome 7

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Topological domaini1 – 9ExtracellularSequence analysis9
Transmembranei10 – 30Helical; Name=1Sequence analysisAdd BLAST21
Topological domaini31 – 46CytoplasmicSequence analysisAdd BLAST16
Transmembranei47 – 67Helical; Name=2Sequence analysisAdd BLAST21
Topological domaini68 – 81ExtracellularSequence analysisAdd BLAST14
Transmembranei82 – 102Helical; Name=3Sequence analysisAdd BLAST21
Topological domaini103 – 131CytoplasmicSequence analysisAdd BLAST29
Transmembranei132 – 152Helical; Name=4Sequence analysisAdd BLAST21
Topological domaini153 – 172ExtracellularSequence analysisAdd BLAST20
Transmembranei173 – 193Helical; Name=5Sequence analysisAdd BLAST21
Topological domaini194 – 230CytoplasmicSequence analysisAdd BLAST37
Transmembranei231 – 251Helical; Name=6Sequence analysisAdd BLAST21
Topological domaini252 – 262ExtracellularSequence analysisAdd BLAST11
Transmembranei263 – 283Helical; Name=7Sequence analysisAdd BLAST21
Topological domaini284 – 299CytoplasmicSequence analysisAdd BLAST16

Keywords - Cellular componenti

Cell membrane, Cell projection, Cilium, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00000822061 – 299Taste receptor type 2 member 4Add BLAST299

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi164N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi165N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Glycoprotein

Proteomic databases

PRIDEiQ646D3

Structurei

3D structure databases

ProteinModelPortaliQ646D3
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

GeneTreeiENSGT00760000119096
HOVERGENiHBG098740
KOiK08474
OrthoDBiEOG091G0IPR

Family and domain databases

CDDicd15013 7tm_TAS2R4, 1 hit
InterProiView protein in InterPro
IPR007960 T2R
IPR030055 TAS2R4
PANTHERiPTHR11394 PTHR11394, 1 hit
PTHR11394:SF55 PTHR11394:SF55, 1 hit
PfamiView protein in Pfam
PF05296 TAS2R, 1 hit

Sequencei

Sequence statusi: Complete.

Q646D3-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MLRLFYFSAI IASVILNFVG IIMNLFITVV NCKTWVKSHR ISSSDRILFS
60 70 80 90 100
LGITRFLMLG LFLVNTIYFV SSNTERSVYL SAFFVLCFMF LDSSSLWFVT
110 120 130 140 150
LLNILYCVKI TNFQHSVFLL LKRNISPKIP RLLLACVLIS AFTTCLYITL
160 170 180 190 200
SQASPFPELV TTRNNTSFNI NEGILSLVVS LVLSSSLQFI INVTSASLLI
210 220 230 240 250
HSLRRHIQKM QKNATGFWNP QTEAHVGAMK LMVYFLILYI PYSVATLVQY
260 270 280 290
LPFYAGMDMG TKSICLIFAT LYSPGHSVLI IITHPKLKTT AKKILCFKK
Length:299
Mass (Da):33,882
Last modified:March 29, 2005 - v2
Checksum:iF8BC0026C62FB003
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AY724860 Genomic DNA Translation: AAU21086.1
AY677134 Genomic DNA Translation: AAV28563.1
RefSeqiXP_003813427.1, XM_003813379.2

Genome annotation databases

EnsembliENSPPAT00000007639; ENSPPAP00000001559; ENSPPAG00000007093
GeneIDi100995497
KEGGipps:100995497

Similar proteinsi

Entry informationi

Entry nameiTA2R4_PANPA
AccessioniPrimary (citable) accession number: Q646D3
Secondary accession number(s): Q5Y512
Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 23, 2004
Last sequence update: March 29, 2005
Last modified: July 18, 2018
This is version 59 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. 7-transmembrane G-linked receptors
    List of 7-transmembrane G-linked receptor entries
  2. SIMILARITY comments
    Index of protein domains and families

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