6BQG

Crystal structure of 5-HT2C in complex with ergotamine

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Class A (rhodopsin) G protein-coupled receptor-like	8091187	4001858	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	G protein-coupled receptor-like	8091188	3000473	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	7tm_1_2	e6bqgA2	A: alpha bundles	X: Family A G protein-coupled receptor-like (From Topology)	H: Family A G protein-coupled receptor-like (From Topology)	T: Family A G protein-coupled receptor-like	F: 7tm_1_2	ECOD (1.6)
A	Cytochrom_B562_1	e6bqgA1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Cytochromes (From Topology)	T: Cytochromes	F: Cytochrom_B562_1	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07361	Cytochrome b562 (Cytochrom_B562)	Cytochrome b562	-	Family
A	PF00001	7 transmembrane receptor (rhodopsin family) (7tm_1)	7 transmembrane receptor (rhodopsin family)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	5-hydroxytryptamine receptor 2C,Soluble cytochrome b562	cation binding binding ion binding serotonin binding organic cyclic compound binding amine binding heterocyclic compound binding small molecule binding neurotransmitter receptor activity molecular transducer activity signaling receptor activity serotonin receptor activity transmembrane signaling receptor activity G protein-coupled amine receptor activity cation binding binding ion binding serotonin binding organic cyclic compound binding amine binding heterocyclic compound binding small molecule binding neurotransmitter receptor activity molecular transducer activity signaling receptor activity serotonin receptor activity transmembrane signaling receptor activity G protein-coupled amine receptor activity G protein-coupled serotonin receptor activity G protein-coupled receptor activity 1-(4-iodo-2,5-dimethoxyphenyl)propan-2-amine binding Gq/11-coupled serotonin receptor activity identical protein binding protein binding tetrapyrrole binding heme binding electron transfer activity transition metal ion binding iron ion binding metal ion binding	behavior multicellular organismal process locomotory behavior cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus behavior multicellular organismal process locomotory behavior cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette regulation of calcium-mediated signaling positive regulation of calcium-mediated signaling signal transduction positive regulation of cellular process regulation of biological process regulation of signaling biological regulation positive regulation of intracellular signal transduction regulation of response to stimulus calcium-mediated signaling regulation of cell communication cellular process positive regulation of signaling system process nervous system process regulation of system process regulation of multicellular organismal process regulation of nervous system process phospholipase C-activating serotonin receptor signaling pathway G protein-coupled serotonin receptor signaling pathway phospholipase C-activating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway regulation of localization nitrogen compound transport regulation of hormone secretion regulation of peptide secretion transport hormone secretion corticotropin-releasing hormone secretion peptide secretion localization secretion by cell regulation of secretion by cell amide transport signal release regulation of biological quality regulation of peptide hormone secretion secretion regulation of transport regulation of corticotropin-releasing hormone secretion regulation of hormone levels regulation of peptide transport cell-cell signaling export from cell establishment of localization regulation of secretion peptide transport peptide hormone secretion hormone transport positive regulation of ERK1 and ERK2 cascade positive regulation of MAPK cascade regulation of MAPK cascade MAPK cascade ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade regulation of lipid metabolic process glycerophospholipid metabolic process lipid biosynthetic process positive regulation of phosphate metabolic process regulation of primary metabolic process phospholipid metabolic process positive regulation of metabolic process positive regulation of biosynthetic process regulation of phosphate metabolic process phosphate-containing compound metabolic process positive regulation of lipid metabolic process positive regulation of phosphatidylinositol biosynthetic process phosphorus metabolic process regulation of phosphatidylinositol biosynthetic process regulation of biosynthetic process phosphatidylinositol metabolic process positive regulation of phosphorus metabolic process glycerophospholipid biosynthetic process positive regulation of phospholipid biosynthetic process regulation of phospholipid metabolic process primary metabolic process phospholipid biosynthetic process regulation of phospholipid biosynthetic process phosphatidylinositol biosynthetic process positive regulation of phospholipid metabolic process biosynthetic process positive regulation of lipid biosynthetic process glycerolipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process metabolic process regulation of phosphorus metabolic process glycerolipid metabolic process regulation of lipid biosynthetic process regulation of metabolic process lipid metabolic process cGMP-mediated signaling inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis feeding behavior cellular response to nitrogen compound response to dopamine cellular response to dopamine response to monoamine response to catecholamine cellular response to catecholamine stimulus response to organic cyclic compound serotonin receptor signaling pathway cellular response to organic cyclic compound response to oxygen-containing compound response to nitrogen compound cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to monoamine stimulus response to chemical cellular localization monoatomic ion transmembrane transport negative regulation of biological process negative regulation of sequestering of calcium ion calcium ion transport metal ion transport maintenance of location in cell monoatomic cation transmembrane transport negative regulation of cellular process monoatomic ion transport monoatomic cation transport regulation of sequestering of calcium ion calcium ion transmembrane import into cytosol sequestering of calcium ion inorganic ion transmembrane transport inorganic cation transmembrane transport maintenance of location transmembrane transport release of sequestered calcium ion into cytosol calcium ion transmembrane transport trans-synaptic signaling synaptic signaling anterograde trans-synaptic signaling chemical synaptic transmission response to nutrient levels regulation of appetite behavioral defense response fear response behavioral fear response defense response response to stress multicellular organismal response to stress developmental process fat cell differentiation positive regulation of fat cell differentiation regulation of developmental process cellular developmental process regulation of cell differentiation positive regulation of developmental process positive regulation of cell differentiation cell differentiation regulation of fat cell differentiation G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger electron transport chain generation of precursor metabolites and energy	protein-containing complex G protein-coupled serotonin receptor complex receptor complex cell periphery cellular anatomical structure plasma membrane membrane somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection synapse protein-containing complex G protein-coupled serotonin receptor complex receptor complex cell periphery cellular anatomical structure plasma membrane membrane somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection synapse cell junction periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
A	IPR017452	GPCR, rhodopsin-like, 7TM	Domain
A	IPR000377	5-Hydroxytryptamine 2C receptor	Family
A	IPR002231	5-hydroxytryptamine receptor family	Family
A	IPR010980	Cytochrome c/b562	Homologous Superfamily
A	IPR009155	Cytochrome b562	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P28335	obesity disorder schizophrenia metabolic syndrome X Weight Gain substance withdrawal syndrome neuralgia major depressive disorder cocaine abuse primitive neuroectodermal tumor glioblastoma seasonal affective disorder malignant ependymoma medulloblastoma astrocytic tumor depressive disorder obesity disorder schizophrenia metabolic syndrome X Weight Gain substance withdrawal syndrome neuralgia major depressive disorder cocaine abuse primitive neuroectodermal tumor glioblastoma seasonal affective disorder malignant ependymoma medulloblastoma astrocytic tumor depressive disorder psoriasis large cell medulloblastoma malignant glioma mood disorder oligodendroglioma bipolar disorder pilocytic astrocytoma malignant mesothelioma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Rhodopsin-like receptors and pumps	G-protein coupled receptors, family A

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	G Protein-Coupled Receptors: Class A	5-HT_2C serotonin receptor with bound ergotamine

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.