3RZE

Structure of the human histamine H1 receptor in complex with doxepin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	8091201	4001858	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	G protein-coupled receptor-like	8091202	3000473	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Lysozyme-like	8033861	3001879	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	e3rzeA3	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	Phage_lysozyme_2	e3rzeA4	A: a+b complex topology	X: Lysozyme-like (From Homology)	H: Lysozyme-like	T: Lysozyme-like	F: Phage_lysozyme_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1070.10	Mainly Alpha	Up-down Bundle	Rhopdopsin 7-helix transmembrane proteins	Rhodopsin 7-helix transmembrane proteins	CATH (4.3.0)
A	1.10.530.40	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00959	Phage lysozyme (Phage_lysozyme)	Phage lysozyme	This family includes lambda phage lysozyme and E. coli endolysin.	Domain
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	Histamine H1 receptor, Lysozyme chimera	neurotransmitter receptor activity molecular transducer activity signaling receptor activity G protein-coupled amine receptor activity G protein-coupled serotonin receptor activity G protein-coupled receptor activity transmembrane signaling receptor activity histamine receptor activity hydrolase activity, acting on glycosyl bonds peptidoglycan muralytic activity hydrolase activity, hydrolyzing O-glycosyl compounds lysozyme activity hydrolase activity catalytic activity	regulation of tube diameter multicellular organismal process regulation of biological process system process regulation of tube size regulation of system process biological regulation positive regulation of biological process positive regulation of vasoconstriction circulatory system process regulation of blood circulation vascular process in circulatory system regulation of vasoconstriction positive regulation of multicellular organismal process regulation of tube diameter multicellular organismal process regulation of biological process system process regulation of tube size regulation of system process biological regulation positive regulation of biological process positive regulation of vasoconstriction circulatory system process regulation of blood circulation vascular process in circulatory system regulation of vasoconstriction positive regulation of multicellular organismal process regulation of multicellular organismal process blood vessel diameter maintenance regulation of biological quality vasoconstriction blood circulation regulation of anatomical structure size cellular response to stimulus regulation of cellular process response to stimulus signaling phospholipase C-activating G protein-coupled receptor signaling pathway cell communication G protein-coupled receptor signaling pathway cellular process signal transduction trans-synaptic signaling synaptic signaling anterograde trans-synaptic signaling cell-cell signaling chemical synaptic transmission regulation of synaptic plasticity regulation of signaling modulation of chemical synaptic transmission regulation of trans-synaptic signaling regulation of cell communication cellular response to nitrogen compound cellular response to organic cyclic compound response to nitrogen compound cellular response to chemical stimulus response to histamine response to chemical cellular response to histamine response to organic cyclic compound defense response response to stress inflammatory response regulation of vascular permeability behavior learning or memory nervous system process cognition memory response to light stimulus learning visual learning visual behavior associative learning response to radiation response to abiotic stimulus G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger biological process involved in interspecies interaction between organisms response to other organism response to external stimulus response to biotic stimulus defense response to bacterium defense response to other organism response to bacterium response to external biotic stimulus carbohydrate derivative catabolic process catabolic process peptidoglycan catabolic process glycosaminoglycan metabolic process carbohydrate derivative metabolic process aminoglycan catabolic process macromolecule catabolic process glycosaminoglycan catabolic process aminoglycan metabolic process peptidoglycan metabolic process metabolic process macromolecule metabolic process symbiont-mediated cytolysis of host cell viral life cycle disruption of cell in another organism cytolysis biological process involved in interaction with host biological process involved in symbiotic interaction viral release from host cell by cytolysis disruption of cellular anatomical structure in another organism exit from host cell viral process cytolysis in another organism viral release from host cell disruption of anatomical structure in another organism symbiont-mediated killing of host cell killing of cells of another organism cell killing disruption of plasma membrane integrity in another organism cell wall organization or biogenesis cell wall macromolecule catabolic process cell wall macromolecule metabolic process	synapse cell junction cellular anatomical entity intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane somatodendritic compartment cell projection dendrite dendritic tree neuron projection synapse cell junction cellular anatomical entity intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection host cellular component host intracellular part host cell cytoplasm host cell part host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
A	IPR000921	Histamine H1 receptor	Family
A	IPR017452	GPCR, rhodopsin-like, 7TM	Domain
A	IPR052619	Bacteriophage lysozyme-like	Family
A	IPR001165	T4-type lysozyme	Family
A	IPR034690	Endolysin T4 type	Family
A	IPR002196	Glycoside hydrolase, family 24	Family
A	IPR023347	Lysozyme domain superfamily	Homologous Superfamily
A	IPR023346	Lysozyme-like domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P35367	allergic rhinitis rhinitis schizophrenia Pain atherosclerosis substance withdrawal syndrome pancreatic intraductal papillary-mucinous carcinoma perennial allergic rhinitis hypotensive disorder invasive ductal breast carcinoma angioedema malignant glioma motion sickness atopic eczema vasomotor rhinitis allergic rhinitis rhinitis schizophrenia Pain atherosclerosis substance withdrawal syndrome pancreatic intraductal papillary-mucinous carcinoma perennial allergic rhinitis hypotensive disorder invasive ductal breast carcinoma angioedema malignant glioma motion sickness atopic eczema vasomotor rhinitis chronic kidney disease osteoarthritis pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma acute myeloid leukemia seasonal allergic rhinitis allergic urticaria lung cancer malignant pancreatic neoplasm tuberculosis bipolar disorder colorectal cancer osteosarcoma depressive disorder familial dermatographia glioblastoma insomnia allergic disease malignant ependymoma arteriosclerosis disorder medulloblastoma atopic conjunctivitis urticaria common cold ovarian cancer

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	Histamine H₁ receptor, complexed with doxepin

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.