7F61

Crystal structure of human histamine receptor H3R in complex with antagonist PF03654746

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)
B	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_3	e7f61A1	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_3	ECOD (1.6)
B	Cytochrom_B562_1	e7f61B1	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	PF00001	7 transmembrane receptor (rhodopsin family) (7tm_1)	7 transmembrane receptor (rhodopsin family)	-	Family
B	PF07361	Cytochrome b562 (Cytochrom_B562)	Cytochrome b562	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Histamine H3 receptor	neurotransmitter receptor activity G protein-coupled amine receptor activity G protein-coupled acetylcholine receptor activity postsynaptic neurotransmitter receptor activity molecular transducer activity G protein-coupled receptor activity signaling receptor activity transmembrane signaling receptor activity G protein-coupled neurotransmitter receptor activity acetylcholine receptor activity G protein-coupled serotonin receptor activity histamine receptor activity	cellular response to stimulus cellular response to nitrogen compound regulation of cellular process response to stimulus signaling cell communication synaptic signaling signal transduction cellular response to acetylcholine regulation of biological process biological regulation response to oxygen-containing compound cell-cell signaling response to nitrogen compound cellular response to stimulus cellular response to nitrogen compound regulation of cellular process response to stimulus signaling cell communication synaptic signaling signal transduction cellular response to acetylcholine regulation of biological process biological regulation response to oxygen-containing compound cell-cell signaling response to nitrogen compound acetylcholine receptor signaling pathway postsynaptic signal transduction cellular response to oxygen-containing compound adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway cellular response to chemical stimulus G protein-coupled acetylcholine receptor signaling pathway response to chemical adenylate cyclase-modulating G protein-coupled receptor signaling pathway response to acetylcholine G protein-coupled receptor signaling pathway cellular process adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway trans-synaptic signaling anterograde trans-synaptic signaling chemical synaptic transmission cellular localization neurotransmitter secretion transport secretion export from cell neurotransmitter transport establishment of localization localization signal release from synapse secretion by cell signal release establishment of localization in cell G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger	synapse cell junction cellular anatomical entity cell periphery plasma membrane membrane presynapse somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection
B	Soluble cytochrome b562	binding organic cyclic compound binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy	periplasmic space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003980	Histamine H3 receptor	Family
A	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
A	IPR017452	GPCR, rhodopsin-like, 7TM	Domain
B	IPR010980	Cytochrome c/b562	Homologous Superfamily
B	IPR009155	Cytochrome b562	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9Y5N1	narcolepsy dissociative amnesia hypertensive disorder Memory Disorders pilocytic astrocytoma malignant glioma osteosarcoma pituitary cancer astrocytic tumor glioblastoma medulloblastoma Meniere disease ovarian cancer psoriasis amnestic disorder narcolepsy dissociative amnesia hypertensive disorder Memory Disorders pilocytic astrocytoma malignant glioma osteosarcoma pituitary cancer astrocytic tumor glioblastoma medulloblastoma Meniere disease ovarian cancer psoriasis amnestic disorder atypical teratoid rhabdoid tumor malignant ependymoma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	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, B	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	G Protein-Coupled Receptors: Class A	Histamine H₃ receptor (H₃R), complexed with PF03654746

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 R01GM133198.