Anaphylatoxin receptors: Information from Answers.com

The anaphylatoxin receptors are a group of G-protein coupled receptors which bind anaphylatoxins.^[1] Members of this family include:

References

^ Fukuoka Y, Nielsen LP, Hugli TE (1989). "Characterization of receptors to the anaphylatoxins on isolated cells". Dermatologica 179 Suppl 1: 35–40. PMID 2528484.

External links

"Anaphylatoxin Receptors". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology. http://www.iuphar-db.org/GPCR/ChapterMenuForward?chapterID=1328.

Proteins: complement system (C, L, A)

Activators/enzymes

Early	C: C1Q/C1R/C1S - C4 (C4a) - C2 L: MASP1/MASP2 - MBL

Middle	CLA: C3 (C3a, C3b/iC3b) - C5 (C5a) A: Factor B - Factor D - Factor P/Properdin CLA: C3-convertase - C5-convertase

Late	CLA: MAC (C6, C7, C8, C9)

Inhibitors

CLA: C1-inhibitor - Decay accelerating factor - Factor I

CL: C4BP

A: Factor H

Complement receptors

CR1 - CR2 - CR3 - CR4 - CD11b/CD11c/CD18 - Anaphylatoxin (C3a, C5a)

Transmembrane receptor: G protein-coupled receptors

Class A: Rhodopsin like

Adrenergic	α1 (A, B, D) · α2 (A, B, C) · β1 · β2 · β3

Eicosanoid	CysLT (1, 2) · LTB4 (1, 2) · FPRL1 · OXE · Prostaglandin (DP (1, 2), EP (1, 2, 3, 4), FP) · Prostacyclin · Thromboxane

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

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, 77, 78, 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)

Purinergics	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) · Adrenomedullin · Anaphylatoxin (C3a, C5a) · Angiotensin (1, 2) · Apelin · Bile acid · Bombesin (BRS3, GRPR, NMBR) · Bradykinin (B1, B2) · Cannabinoid (CB1, CB2) · Chemokine · Cholecystokinin (A, B) · Dopamine (D1, D2, D3, D4, D5) · EBI2 · Endothelin (A, B) · Estrogen · Formyl peptide (1, L1, L2) · Free fatty acid (1, 2, 3, 4) · FSH · Galanin (1, 2, 3) · Gonadotropin-releasing hormone (1, 2) · GHB receptor · Ghrelin · Histamine (H1, H2, H3, H4) · Kisspeptin · Luteinizing hormone/choriogonadotropin · lysophosphatidic acid (1, 2, 3) · Lysophospholipid (1, 2, 3, 4, 5, 6, 7, 8) · MAS (1, 1L, D, E, F, G, X1, X2, X3, X4) · Melanocortin (1, 2, 3, 4, 5) · MCHR (1, 2) · Melatonin (1A, 1B, 1C) · Niacin (1, 2) · Motilin · Opioid (Delta, Kappa, Mu, Nociceptin & Zeta, but not Sigma) · Olfactory · Opsin (3, 4, 5, 1LW, 1MW, 1SW, RGR, RRH) · Orexin (1, 2) · Oxytocin · Oxoglutarate · PAF · Prokineticin (1, 2) · Prolactin-releasing peptide · Protease-activated (1, 2, 3, 4) · Relaxin (1, 2, 3, 4) · Somatostatin (1, 2, 3, 4, 5) · Sphingosine-1-phosphate (1, 2, 3, 4, 5) · SREB · Succinate · TAAR (1, 2, 3, 5, 6, 8, 9) · Tachykinin (1, 2, 3) · Thyrotropin · Thyrotropin-releasing hormone · Urotensin-II · Vasopressin (1A, 1B, 2)

Class B: Secretin like

Orphan	GPR (56, 64, 97, 98, 110, 111, 112, 113, 114, 115, 116, 123, 124, 125, 126, 128, 133, 143, 144, 157)

Other	Brain-specific angiogenesis inhibitor (1, 2, 3) · Cadherin (1, 2, 3) · Calcitonin · CALCRL · CD97 · Corticotropin-releasing hormone (1, 2) · EMR (1, 2, 3) · Glucagon (GR, GIPR, GLP1R, GLP2R) · Growth hormone releasing hormone · PACAPR1 · GPR · Latrophilin (1, 2, 3, ELTD1) · Methuselah-like proteins · Parathyroid hormone (1, 2) · Secretin · Vasoactive intestinal peptide (1, 2)

Class C: Metabotropic
glutamate / pheromone

Taste	TAS1R (1, 2, 3) · TAS2R (1, 3, 4, 5, 8, 9, 10, 12, 13, 14, 16, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 49, 50)

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)

Frizzled / Smoothened

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

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