Annotations: 7UL4

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	G protein-coupled receptor-like	8091218	3000473	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	PF00001	e7ul4A1	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: PF00001	ECOD (1.6)
B [auth D]	PF07686	e7ul4D1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth D]	Heavy Chain	IGHV1	-	mu-type opioid receptor	SAbDab (2024-05-17)

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Mu-type opioid receptor	cytoskeletal protein binding protein binding binding filamin binding neuropeptide binding peptide binding G-protein alpha-subunit binding peptide receptor activity molecular transducer activity beta-endorphin receptor activity G protein-coupled opioid receptor activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity cytoskeletal protein binding protein binding binding filamin binding neuropeptide binding peptide binding G-protein alpha-subunit binding peptide receptor activity molecular transducer activity beta-endorphin receptor activity G protein-coupled opioid receptor activity G protein-coupled receptor activity transmembrane signaling receptor activity signaling receptor activity G protein-coupled peptide receptor activity melanocortin receptor activity neuropeptide receptor activity morphine receptor activity protein domain specific binding calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity G-protein beta-subunit binding	regulation of biosynthetic process regulation of nitric oxide biosynthetic process regulation of biological process biological regulation positive regulation of biological process reactive nitrogen species metabolic process positive regulation of nitric oxide metabolic process nitric oxide metabolic process positive regulation of metabolic process nitric oxide biosynthetic process biosynthetic process positive regulation of biosynthetic process metabolic process regulation of nitric oxide metabolic process regulation of biosynthetic process regulation of nitric oxide biosynthetic process regulation of biological process biological regulation positive regulation of biological process reactive nitrogen species metabolic process positive regulation of nitric oxide metabolic process nitric oxide metabolic process positive regulation of metabolic process nitric oxide biosynthetic process biosynthetic process positive regulation of biosynthetic process metabolic process regulation of nitric oxide metabolic process positive regulation of nitric oxide biosynthetic process regulation of metabolic process trans-synaptic signaling regulation of signaling regulation of cellular process modulation of chemical synaptic transmission signaling cell-cell signaling presynaptic modulation of chemical synaptic transmission chemical synaptic transmission cell communication synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication cellular process cellular response to stimulus response to stimulus G protein-coupled opioid receptor signaling pathway G protein-coupled receptor signaling pathway signal transduction positive regulation of cell communication positive regulation of signal transduction regulation of signal transduction intracellular signal transduction positive regulation of response to stimulus cAMP-mediated signaling regulation of intracellular signal transduction intracellular signaling cassette positive regulation of cellular process positive regulation of intracellular signal transduction positive regulation of cAMP-mediated signaling regulation of response to stimulus regulation of cAMP-mediated signaling positive regulation of signaling multicellular organismal process system process nervous system process transmission of nerve impulse phospholipase C-activating G protein-coupled receptor signaling pathway regulation of biological quality negative regulation of cytosolic calcium ion concentration negative regulation of signaling negative regulation of biological process negative regulation of G protein-coupled receptor signaling pathway negative regulation of cell communication negative regulation of cellular process regulation of G protein-coupled receptor signaling pathway negative regulation of response to stimulus adenylate cyclase-activating G protein-coupled receptor signaling pathway negative regulation of signal transduction negative regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway adenylate cyclase-modulating G protein-coupled receptor signaling pathway regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway positive regulation of nervous system development regulation of developmental process cellular developmental process cell development regulation of cell differentiation regulation of neurogenesis regulation of cell development regulation of nervous system development positive regulation of developmental process multicellular organism development neurogenesis positive regulation of cell differentiation cell differentiation anatomical structure development positive regulation of neurogenesis regulation of multicellular organismal process system development developmental process regulation of multicellular organismal development positive regulation of cell development nervous system development positive regulation of multicellular organismal process cellular response to nitrogen compound response to dopamine response to organic substance dopamine receptor signaling pathway cellular response to dopamine response to monoamine cellular response to endogenous stimulus response to catecholamine adenylate cyclase-activating dopamine receptor signaling pathway cellular response to catecholamine stimulus cellular response to organic substance response to organic cyclic compound response to organonitrogen compound response to endogenous stimulus 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 organonitrogen compound cellular response to monoamine stimulus response to chemical negative regulation of intracellular signal transduction negative regulation of cAMP-mediated signaling neuropeptide signaling pathway positive regulation of cytosolic calcium ion concentration behavior locomotory behavior cellular response to acetylcholine acetylcholine receptor signaling pathway postsynaptic signal transduction adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway G protein-coupled acetylcholine receptor signaling pathway response to acetylcholine adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway 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 localization transport regulation of signaling receptor activity regulation of transmembrane transporter activity regulation of transporter activity localization regulation of NMDA receptor activity regulation of monoatomic ion transmembrane transporter activity regulation of transport establishment of localization transmembrane transport regulation of molecular function regulation of transmembrane transport regulation of neurotransmitter receptor activity eating behavior feeding behavior regulation of cellular response to stress cellular response to stress regulation of response to stress response to stress adenylate cyclase-inhibiting opioid receptor signaling pathway negative regulation of metabolic process negative regulation of nitric oxide metabolic process negative regulation of nitric oxide biosynthetic process negative regulation of biosynthetic process response to nutrient levels regulation of response to nutrient levels positive regulation of appetite regulation of response to food response to food positive regulation of response to food regulation of appetite positive regulation of response to nutrient levels adult behavior response to alcohol behavioral response to ethanol response to ethanol regulation of postsynaptic membrane potential chemical synaptic transmission, postsynaptic cell surface receptor signaling pathway excitatory postsynaptic potential regulation of membrane potential sensory perception sensory perception of pain protein localization negative regulation of protein transport establishment of protein localization nitrogen compound transport negative regulation of transport negative regulation of secretion cellular macromolecule localization negative regulation of secretion by cell organic substance transport establishment of protein localization to extracellular region negative regulation of establishment of protein localization protein secretion regulation of protein secretion regulation of secretion negative regulation of protein secretion cellular localization regulation of protein localization negative regulation of Wnt protein secretion protein localization to extracellular region secretion by cell regulation of secretion by cell signal release regulation of Wnt protein secretion negative regulation of protein localization secretion regulation of establishment of protein localization export from cell regulation of protein transport Wnt protein secretion protein transport regulation of cellular localization macromolecule localization	cell periphery postsynapse postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region cellular anatomical entity synaptic membrane somatodendritic compartment cell body perikaryon neuronal cell body cell periphery postsynapse postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region cellular anatomical entity synaptic membrane somatodendritic compartment cell body perikaryon neuronal cell body presynapse presynaptic membrane cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection axon anchoring junction focal adhesion cell-substrate junction GABA-ergic synapse neuron projection cytoplasm intracellular anatomical structure cytoplasmic region plasma membrane bounded cell projection cytoplasm dendrite cytoplasm cytoplasm cell leading edge leading edge membrane neuron projection membrane dendrite membrane cell projection membrane membrane-bounded organelle endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle vesicle neuron spine dendritic spine spine apparatus
B [auth D]	Megabody 6	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001418	Opioid receptor	Family
A	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
A	IPR017452	GPCR, rhodopsin-like, 7TM	Domain
A	IPR000105	Mu opioid receptor	Family

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: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	G Protein-Coupled Receptors: Class A	μ-opioid receptor bound to an alvimopan and megabody Mb6

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.