LPAR4

Protein-coding gene in the species Homo sapiens

LPAR4

Identifiers

LPAR4, GPR23, LPA4, P2RY9, P2Y5-LIKE, P2Y9, lysophosphatidic acid receptor 4

External IDs

OMIM: 300086; MGI: 1925384; HomoloGene: 3871; GeneCards: LPAR4; OMA:LPAR4 - orthologs

Gene location (Human)

Chr.	X chromosome (human)

Band	Xq21.1	Start	78,747,709 bp
Band	Xq21.1	End	78,758,714 bp

Gene location (Mouse)

Chr.	X chromosome (mouse)

Band	X\|X D	Start	105,964,231 bp
Band	X\|X D	End	105,977,506 bp

RNA expression pattern

Bgee

Human

Mouse (ortholog)

Top expressed in

sural nerve

buccal mucosa cell

tibia

testicle

gonad

ventricular zone

cartilage tissue

ganglionic eminence

muscle of thigh

Achilles tendon

Top expressed in

dermis

pituitary stalk

efferent ductule

human fetus

primitive streak

trigeminal ganglion

tongue

Gonadal ridge

mandibular prominence

left lung lobe

More reference expression data

BioGPS


More reference expression data

Gene ontology
Molecular function	lysophosphatidic acid binding signal transducer activity lipid binding G protein-coupled receptor activity lysophosphatidic acid receptor activity
Cellular component	integral component of membrane membrane integral component of plasma membrane plasma membrane nuclear body intracellular membrane-bounded organelle
Biological process	signal transduction positive regulation of Rho protein signal transduction positive regulation of cytosolic calcium ion concentration involved in phospholipase C-activating G protein-coupled signaling pathway G protein-coupled receptor signaling pathway
Sources:Amigo / QuickGO

Orthologs

Species

Human

Mouse

Entrez


2846


78134

Ensembl


ENSG00000147145


ENSMUSG00000049929

UniProt


Q99677


Q8BLG2

RefSeq (mRNA)


NM_001278000 NM_005296


NM_175271

RefSeq (protein)


NP_001264929 NP_005287


NP_780480

Location (UCSC)

Chr X: 78.75 – 78.76 Mb

Chr X: 105.96 – 105.98 Mb

PubMed search

Wikidata

View/Edit Human

View/Edit Mouse

Lysophosphatidic acid receptor 4 also known as LPA₄ is a protein that in humans is encoded by the LPAR4 gene. LPA₄ is a G protein-coupled receptor that binds the lipid signaling molecule lysophosphatidic acid (LPA).

References

^ GRCh38: Ensembl release 89: ENSG00000147145 – Ensembl, May 2017
^ GRCm38: Ensembl release 89: ENSMUSG00000049929 – Ensembl, May 2017
"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Entrez Gene: GPR23 G protein-coupled receptor 23".
Janssens R, Boeynaems JM, Godart M, Communi D (July 1997). "Cloning of a human heptahelical receptor closely related to the P2Y5 receptor". Biochem. Biophys. Res. Commun. 236 (1): 106–12. doi:10.1006/bbrc.1997.6895. PMID 9223435.
O'Dowd BF, Nguyen T, Jung BP, Marchese A, Cheng R, Heng HH, Kolakowski LF, Lynch KR, George SR (March 1997). "Cloning and chromosomal mapping of four putative novel human G-protein-coupled receptor genes". Gene. 187 (1): 75–81. doi:10.1016/S0378-1119(96)00722-6. PMID 9073069.
Choi JW, Herr DR, Noguchi K, Yung YC, Lee CW, Mutoh T, Lin ME, Teo ST, Park KE, Mosley AN, Chun J (January 2010). "LPA Receptors: Subtypes and Biological Actions". Annual Review of Pharmacology and Toxicology. 50 (1): 157–186. doi:10.1146/annurev.pharmtox.010909.105753. PMID 20055701.

Adrian K, Bernhard MK, Breitinger HG, Ogilvie A (2000). "Expression of purinergic receptors (ionotropic P2X1-7 and metabotropic P2Y1-11) during myeloid differentiation of HL60 cells". Biochim. Biophys. Acta. 1492 (1): 127–38. doi:10.1016/S0167-4781(00)00094-4. PMID 11004484.
Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
Noguchi K, Ishii S, Shimizu T (2003). "Identification of p2y9/GPR23 as a novel G protein-coupled receptor for lysophosphatidic acid, structurally distant from the Edg family". J. Biol. Chem. 278 (28): 25600–6. doi:10.1074/jbc.M302648200. PMID 12724320.
Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
Ross MT, Grafham DV, Coffey AJ, et al. (2005). "The DNA sequence of the human X chromosome". Nature. 434 (7031): 325–37. Bibcode:2005Natur.434..325R. doi:10.1038/nature03440. PMC 2665286. PMID 15772651.
Liu T, Qian WJ, Gritsenko MA, et al. (2006). "Human plasma N-glycoproteome analysis by immunoaffinity subtraction, hydrazide chemistry, and mass spectrometry". J. Proteome Res. 4 (6): 2070–80. doi:10.1021/pr0502065. PMC 1850943. PMID 16335952.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

Cell surface receptor: G protein-coupled receptors

Class A: Rhodopsin-like

Neurotransmitter

Adrenergic	α1 (A B D) α2 (A B C) β1 β2 β3
Purinergic	Adenosine (A1 A2A A2B A3) P2Y (1 2 4 5 6 8 9 10 11 12 13 14)
Serotonin	(all but 5-HT3) 5-HT1 (A B D E F) 5-HT2 (A B C) 5-HT (4 5A 6 7)
Other	Acetylcholine (M1 M2 M3 M4 M5) Dopamine D1 D2 D3 D4 D5 GHB receptor Histamine H1 H2 H3 H4 Melatonin (1A 1B 1C) TAAR (1 2 5 6 8 9)

Metabolites and
signaling molecules

Eicosanoid	CysLT (1 2) LTB4 1 2 FPRL1 OXE Prostaglandin DP (1 2), EP (1 2 3 4), FP Prostacyclin Thromboxane
Other	Bile acid Cannabinoid (CB1 CB2, GPR (18 55 119)) EBI2 Estrogen Free fatty acid (1 2 3 4) Hydroxycarboxylic acids 1 2 3 Lysophosphatidic acid (1 2 3 4 5 6) Lysophospholipid (1 2 3 4 5 6 7 8) Oxoglutarate PAF Sphingosine-1-phosphate (1 2 3 4 5) Succinate

Peptide

Neuropeptide

B/W (1
2)
FF (1
2)
S
Y (1
2
4
5)
Neuromedin (B
U (1
2))
Neurotensin (1
2)

Other

Anaphylatoxin (C3a
C5a (1
2))
Angiotensin (1
2)
Apelin
Bombesin
- BRS3
- GRPR
- NMBR)
- Bradykinin (B1
- B2)
Chemokine
Cholecystokinin (A
B)
Endothelin
- A
- B
Formyl peptide (1
2
3)
FSH
Galanin (1
2
3)
Gonadotropin-releasing hormone (1
2)
Ghrelin
Kisspeptin
Luteinizing hormone/choriogonadotropin
MAS (1
1L
D
E
F
G
X1
X2
X3
X4)
Melanocortin (1
2
3
4
5)
MCHR (1
2)
Motilin
Opioid (Delta
Kappa
Mu
Nociceptin & Zeta, but not Sigma)
Orexin (1
2)
Oxytocin
Prokineticin (1
2)
Prolactin-releasing peptide
Relaxin (1
2
3
4)
Somatostatin (1
2
3
4
5)
Tachykinin (1
2
3)
Thyrotropin
Thyrotropin-releasing hormone
Urotensin-II
Vasopressin (1A
1B
2)

Miscellaneous

Taste, bitter	TAS2R 1 3 4 5 7 8 9 10 13 14 16 19 20 30 31 38 39 40 41 42 43 45 46 50 60 Vomeronasal receptor type 1
Orphan	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 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)
Other	Adrenomedullin Olfactory Opsin (3 4 5 1LW 1MW 1SW RGR RRH) Protease-activated (1 2 3 4) SREB (1 2 3)

Class B: Secretin-like

Adhesion	ADGRB Brain-specific angiogenesis inhibitor 1 2 3 ADGRC Cadherin 1 2 3 ADGRE EMR 1 2 3 CD97 ADGRG 1 2 3 4 5 6 7 ADGRL Latrophilin 1 2 3 ELTD1
Orphan	GPR (56 64 97 98 110 111 112 113 114 115 116 123 124 125 126 128 133 143 144 155 157)
Other	Calcitonin CALCRL Corticotropin-releasing hormone (1 2) Glucagon (GR GIPR GLP1R GLP2R) Growth-hormone-releasing hormone PACAPR1 GPR Methuselah-like proteins Parathyroid hormone (1 2) Secretin Vasoactive intestinal peptide (1 2)

Class C: Metabotropic glutamate / pheromone

Taste, sweet	TAS1R 1 2 3 Vomeronasal receptor, type 2
Other	Calcium-sensing receptor GABA_B (1 2) Glutamate receptor (Metabotropic glutamate (1 2 3 4 5 6 7 8)) GPRC6A GPR (156 158 179) RAIG (1 2 3 4)

Class F: Frizzled & Smoothened

Frizzled	Frizzled (1 2 3 4 5 6 7 8 9 10)
Smoothened	Smoothened

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