TAS2R4

Receptor ukusa tip 2 član 4

Identifikatori

TAS2R4; T2R4

Vanjski ID

OMIM: 604869 MGI: 2681210 HomoloGene: 49480 IUPHAR: GeneCards: TAS2R4 Gene

Ontologija gena
Molekularna funkcija	• aktivnost receptora ukusa
Celularna komponenta	• integralno sa membranom
Biološki proces	• signalni put G-protein spregnutog receptora • hemosensorno ponašanje • detekcija hemijskog stimulusa koji učestvuje u senzornoj percepciji ukusa

Pregled RNK izražavanja

Ortolozi

Vrsta

Čovek

Miš

ENSG00000127364

ENSMUSG00000037140

RefSeq (mRNA)

RefSeq (protein)

Lokacija (UCSC)

Chr 7:
141.48 - 141.48 Mb

Chr 6:
40.44 - 40.44 Mb

PubMed pretraga

Receptor ukusa tip 2 član 4 je protein koji je kod ljudi kodiran TAS2R4 genom.^[1]^[2]^[3]

Ovaj protein je član familije of mogućih receptora ukusa. On pripada grupi G protein spregnutih receptora i specifično je izražen u ćelijama ukusa jezika i epitela nepci. On deluje kao receptor gorkog ukusa. Ovaj receptor ukusa ne sadrži introne. Njegov gen se nalazi na hromozomu 7.^[3]

Reference

^ Adler E, Hoon MA, Mueller KL, Chandrashekar J, Ryba NJ, Zuker CS (2000). „A novel family of mammalian taste receptors”. Cell. 100 (6): 693—702. PMID 10761934. doi:10.1016/S0092-8674(00)80705-9.
^ Chandrashekar J, Mueller KL, Hoon MA, Adler E, Feng L, Guo W, Zuker CS, Ryba NJ (2000). „T2Rs function as bitter taste receptors”. Cell. 100 (6): 703—11. PMID 10761935. doi:10.1016/S0092-8674(00)80706-0.
^ ^а ^б „Entrez Gene: TAS2R4 taste receptor, type 2, member 4”.

Literatura

Kinnamon SC (2000). „A plethora of taste receptors”. Neuron. 25 (3): 507—10. PMID 10774719. doi:10.1016/S0896-6273(00)81054-5.
Margolskee RF (2002). „Molecular mechanisms of bitter and sweet taste transduction”. J. Biol. Chem.. 277 (1): 1—4. PMID 11696554. doi:10.1074/jbc.R100054200.
Montmayeur JP, Matsunami H (2002). „Receptors for bitter and sweet taste”. Curr. Opin. Neurobiol.. 12 (4): 366—71. PMID 12139982. doi:10.1016/S0959-4388(02)00345-8.
Firestein S (2000). „The good taste of genomics”. Nature. 404 (6778): 552—3. PMID 10766221. doi:10.1038/35007167.
Matsunami H, Montmayeur JP, Buck LB (2000). „A family of candidate taste receptors in human and mouse”. Nature. 404 (6778): 601—4. PMID 10766242. doi:10.1038/35007072.
Ueda T; Ugawa S; Ishida Y; et al. (2001). „Identification of coding single-nucleotide polymorphisms in human taste receptor genes involving bitter tasting”. Biochem. Biophys. Res. Commun.. 285 (1): 147—51. PMID 11437385. doi:10.1006/bbrc.2001.5136.
Zhang Y; Hoon MA; Chandrashekar J; et al. (2003). „Coding of sweet, bitter, and umami tastes: different receptor cells sharing similar signaling pathways”. Cell. 112 (3): 293—301. PMID 12581520. doi:10.1016/S0092-8674(03)00071-0.
Hillier LW; Fulton RS; Fulton LA; et al. (2003). „The DNA sequence of human chromosome 7”. Nature. 424 (6945): 157—64. PMID 12853948. doi:10.1038/nature01782.
Fischer A, Gilad Y, Man O, Pääbo S (2005). „Evolution of bitter taste receptors in humans and apes”. Mol. Biol. Evol.. 22 (3): 432—6. PMID 15496549. doi:10.1093/molbev/msi027.
Go Y, Satta Y, Takenaka O, Takahata N (2006). „Lineage-Specific Loss of Function of Bitter Taste Receptor Genes in Humans and Nonhuman Primates”. Genetics. 170 (1): 313—26. PMC 1449719 . PMID 15744053. doi:10.1534/genetics.104.037523.

Vidi još

Receptor ukusa

Transmembranski receptor: receptori spregnuti s G proteinom

Klasa A: Rodopsinu slični

Neurotransmiter

Adrenergički	α1 (A, B, D) • α2 (A, B, C) • β1 • β2 • β3
Purinski	Adenozinski (A1, A2A, A2B, A3) • P2Y (1, 2, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14)
Serotoninski	(svi osim 5-HT3) 5-HT1 (A, B, D, E, F) • 5-HT2 (A, B, C) • 5-HT (4, 5A, 6, 7)
Drugi	Acetilholin (M1, M2, M3, M4, M5) • Dopamin (D1, D2, D3, D4, D5) • Histamin (H1, H2, H3, H4) • Melatonin (1A, 1B, 1C) • TAAR (1, 2, 3, 5, 6, 8, 9)

Metaboliti i
signalni molekuli

Eikozanoidni	CysLT (1, 2) • LTB4 (1, 2) • FPRL1 • OXE • Prostaglandin (DP (1, 2), EP (1, 2, 3, 4), FP) • Prostaciklin • Tromboksan
Drugi	Žučna kiselina • Kanabinoidni (CB1, CB2, GPR (18, 55, 119)) • EBI2 • Estrogen • Slobodna masna kiselina (1, 2, 3, 4) • Laktat • Lizofosfatidna kiselina (1, 2, 3, 4, 5, 6) • Lizofosfolipid (1, 2, 3, 4, 5, 6, 7, 8) • Niacin (1, 2) • Oksoglutarat • PAF • Sfingozin-1-fosfat (1, 2, 3, 4, 5) • Sukcinat

Peptid

B/W (1, 2) • FF (1, 2) • S • Y (1, 2, 4, 5) • Neuromedin (B, U (1, 2)) • Neurotenzin (1, 2)

Drugi

Anafilatoksin (C3a, C5a) • Angiotenzin (1, 2) • Apelin • Bombezin (BRS3, GRPR, NMBR) • Bradikinin (B1, B2) • Hemokin • Holecistokinin (A, B) • Endotelin (A, B) • Formil peptid (1, 2, 3) • FSH • Galanin (1, 2, 3) • GHB receptor • Gonadotropin-oslobađajući hormon (1, 2) • Grelin • Kispeptin • Luteinizirajući hormon/horiogonadotropin • MAS (1, 1L, D, E, F, G, X1, X2, X3, X4) • Melanokortin (1, 2, 3, 4, 5) • MCHR (1, 2) • Motilin • Opioidni (δ, κ, μ, Nociceptin & ζ, ali ne σ) • Oreksin (1, 2) • Oksitocin • Prokineticin (1, 2) • Prolaktin-oslobađajući peptid • Relaksin (1, 2, 3, 4) • Somatostatin (1, 2, 3, 4, 5) • Tahikinin (1, 2, 3) • Tirotropin • Tirotropin-oslobađajući hormon • Urotenzin-II • Vazopresin (1A, 1B, 2)

Razno

Orfan	GPR (1, 3, 4, 6, 12, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 31, 32, 33, 34, 35, 37, 39, 42, 44, 45, 50, 52, 55, 61, 62, 63, 65, 68, 75, 77, 78, 81, 82, 83, 84, 85, 87, 88, 92, 101, 103, 109A, 109B, 119, 120, 132, 135, 137B, 139, 141, 142, 146, 148, 149, 150, 151, 152, 153, 160, 161, 162, 171, 173, 174, 176, 177, 182, 183)
Drugi	Adrenomedulin • Mirisni • Opsin (3, 4, 5, 1LW, 1MW, 1SW, RGR, RRH) • Proteazom-aktivirani (1, 2, 3, 4) • SREB (1, 2, 3)

Klasa B: Sekretinu slični

Orfan	GPR (56, 64, 97, 98, 110, 111, 112, 113, 114, 115, 116, 123, 124, 125, 126, 128, 133, 143, 144, 155, 157)
Drugi	Moždano specifični angiogenezni inhibitor (1, 2, 3) • Kadherin (1, 2, 3) • Kalcitonin • CALCRL • CD97 • Kortikotropin-oslobađajući hormon (1, 2) • EMR (1, 2, 3) • Glukagon (GR, GIPR, GLP1R, GLP2R) • Hormon rasta • PACAPR1 • GPR • Latrofilin (1, 2, 3, ELTD1) • Metuzalemski protein • Paratiroidni hormon (1, 2) • Sekretin • Vazoaktivni intestinalni peptid (1, 2)

Klasa C: Metabotropni
glutamat / feromon

Ukus	TAS1R (1, 2, 3) • TAS2R (1, 3, 4, 5, 8, 9, 10, 12, 13, 14, 16, 19, 20, 30, 31, 38, 39, 40, 41, 42, 43, 45, 46, 50)
Drugi	Kalcijum-detektujući receptor • GABA B (1, 2) • Glutamatni receptor (Metabotropni glutamat (1, 2, 3, 4, 5, 6, 7, 8)) • GPRC6A • GPR (156, 158, 179) • RAIG (1, 2, 3, 4) • VNR (1, 2, 3, 5)

Klasa F:
Frizzled / Zaglađeni

Uvojiti	Frizzled (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
Zaglađeni	Zaglađeni

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