GPR21

Protein-coding gene in the species Homo sapiens

GPR21

Identifiers

Aliases

GPR21, G protein-coupled receptor 21

External IDs

OMIM: 601909 MGI: 2441890 HomoloGene: 74546 GeneCards: GPR21

Gene location (Human)

Chr.	Chromosome 9 (human)^[1]

Band	9q33.2	Start	123,033,667 bp^[1]
Band	9q33.2	End	123,035,665 bp^[1]

Gene location (Mouse)

Chr.	Chromosome 2 (mouse)^[2]

Band	2\|2 B	Start	37,406,344 bp^[2]
Band	2\|2 B	End	37,410,615 bp^[2]

RNA expression pattern

Bgee

Human

Mouse (ortholog)

Top expressed in

right coronary artery

popliteal artery

left coronary artery

ganglionic eminence

prefrontal cortex

ascending aorta

muscle tissue

Brodmann area 9

superior frontal gyrus

cervix

Top expressed in

ganglionic eminence

mesencephalon

neural tube

morula

rhombencephalon

olfactory bulb

secondary oocyte

spermatocyte

uterus

More reference expression data

BioGPS


More reference expression data

Gene ontology
Molecular function	dopamine neurotransmitter receptor activity, coupled via Gs signal transducer activity G protein-coupled receptor activity
Cellular component	integral component of membrane plasma membrane membrane
Biological process	negative regulation of insulin receptor signaling pathway glucose homeostasis signal transduction positive regulation of multicellular organism growth G protein-coupled receptor signaling pathway dopamine receptor signaling pathway
Sources:Amigo / QuickGO

Orthologs

Species

Human

Mouse

Entrez


2844


338346

Ensembl


ENSG00000188394


ENSMUSG00000053164

UniProt


Q99679


Q8BX79

RefSeq (mRNA)


NM_005294


NM_177383

RefSeq (protein)


NP_005285


NP_796357

Location (UCSC)

Chr 9: 123.03 – 123.04 Mb

Chr 2: 37.41 – 37.41 Mb

PubMed search

^[3]

^[4]

Wikidata

View/Edit Human

View/Edit Mouse

Probable G-protein coupled receptor 21 is a protein that in humans is encoded by the GPR21 gene.^[5]

References

^ ^a ^b ^c GRCh38: Ensembl release 89: ENSG00000188394 – Ensembl, May 2017
^ ^a ^b ^c GRCm38: Ensembl release 89: ENSMUSG00000053164 – 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: GPR21 G protein-coupled receptor 21".

O'Dowd BF, Nguyen T, Jung BP, et al. (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.
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.
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.

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)