Summary

Name HTR2B
Full Name 5-hydroxytryptamine receptor 2B
Synonyms 5-HT-2B, 5-HT2B, Serotonin receptor 2B
Primary ID P41595
Links - -
Type protein
Relations 22
Inhibitors yohimbine; haloperidol; methiothepin; spiperone; rauwolscine; clozapine; mianserin; ritanserin; 8-(2,3-dihydro-1,4-benzodioxin-3-ylmethyl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one; 1-(1-naphthalenyl)piperazine; ketanserin; 4-(4-fluoronaphthalen-1-yl)-6-isopropylpyrimidin-2-amine; mesulergine
Function G-protein coupled receptor for 5-hydroxytryptamine (serotonin) (PubMed:8143856, PubMed:7926008, PubMed:8078486, PubMed:8882600, PubMed:18703043, PubMed:23519210). Also functions as a receptor for various ergot alkaloid derivatives and psychoactive substances (PubMed:8143856, PubMed:7926008, PubMed:8078486, PubMed:12970106, PubMed:18703043, PubMed:23519210, PubMed:23519215, PubMed:24357322, PubMed:28129538). Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors (PubMed:8143856, PubMed:8078486, PubMed:8882600, PubMed:23519215, PubMed:28129538). Beta-arrestin family members inhibit signaling via G proteins and mediate activation of alternative signaling pathways (PubMed:23519215, PubMed:28129538). Signaling activates a phosphatidylinositol-calcium second messenger system that modulates the activity of phosphatidylinositol 3-kinase and down-stream signaling cascades and promotes the release of Ca(2+) ions from intracellular stores (PubMed:8143856, PubMed:8078486, PubMed:8882600, PubMed:18703043, PubMed:23519215, PubMed:28129538). Plays a role in the regulation of dopamine and 5-hydroxytryptamine release, 5-hydroxytryptamine uptake and in the regulation of extracellular dopamine and 5-hydroxytryptamine levels, and thereby affects neural activity. May play a role in the perception of pain (By similarity). Plays a role in the regulation of behavior, including impulsive behavior (PubMed:21179162). Required for normal proliferation of embryonic cardiac myocytes and normal heart development. Protects cardiomyocytes against apoptosis. Plays a role in the adaptation of pulmonary arteries to chronic hypoxia. Plays a role in vasoconstriction. Required for normal osteoblast function and proliferation, and for maintaining normal bone density. Required for normal proliferation of the interstitial cells of Cajal in the intestine (By similarity).

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Relations

Regulator Mechanism target score
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ up-regulates activity img/direct-activation.png chemical activation HTR2B 0.8
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ up-regulates activity img/direct-activation.png binding GNAI1 0.28
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ up-regulates activity img/direct-activation.png chemical activation HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ up-regulates activity img/direct-activation.png binding GNAQ 0.528
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ up-regulates activity img/direct-activation.png binding GNAZ 0.251
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ up-regulates activity img/direct-activation.png chemical activation HTR2B 0.8
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png chemical activation HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ up-regulates activity img/direct-activation.png binding GNAI3 0.268
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus
+ up-regulates activity img/direct-activation.png binding GNA14 0.403
Publications: 1 Organism: Homo Sapiens
+ down-regulates img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png chemical inhibition HTR2B 0.8
Publications: 1 Organism: Mesocricetus Auratus