Annotations: 8K2W

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth N]	PF07686	e8k2wN1	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)
B [auth R]	PF00001	e8k2wR1	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)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth N]	Heavy Chain	IGHV1	-	soluble cytochrome b562,c-x-c chemokine receptor type 3,kappa-type opioid receptor	SAbDab (2024-06-07)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth R]	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 [auth N]	Nb6	-	-	-
B [auth R]	Soluble cytochrome b562,C-X-C chemokine receptor type 3,Kappa-type opioid receptor	molecular transducer activity signaling receptor activity G protein-coupled chemoattractant receptor activity C-C chemokine receptor activity chemokine receptor activity G protein-coupled receptor activity transmembrane signaling receptor activity cytokine receptor activity immune receptor activity protein binding binding chemokine binding cytokine binding C-X-C chemokine receptor activity molecular transducer activity signaling receptor activity G protein-coupled chemoattractant receptor activity C-C chemokine receptor activity chemokine receptor activity G protein-coupled receptor activity transmembrane signaling receptor activity cytokine receptor activity immune receptor activity protein binding binding chemokine binding cytokine binding C-X-C chemokine receptor activity C-C chemokine binding C-X-C chemokine binding neuropeptide binding peptide binding peptide receptor activity G protein-coupled opioid receptor activity G protein-coupled peptide receptor activity dynorphin receptor activity receptor serine/threonine kinase binding signaling receptor 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	positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality regulation of biological process cell adhesion regulation of cellular process regulation of cell adhesion cellular process developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality regulation of biological process cell adhesion regulation of cellular process regulation of cell adhesion cellular process developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis blood vessel development system development response to stimulus immune response immune system process chemotaxis positive regulation of locomotion regulation of response to external stimulus positive regulation of biological process response to external stimulus regulation of chemotaxis positive regulation of chemotaxis positive regulation of response to stimulus positive regulation of response to external stimulus taxis regulation of response to stimulus response to chemical regulation of locomotion locomotion apoptotic process cell death programmed cell death cellular response to stimulus signaling intracellular signal transduction cell communication calcium-mediated signaling intracellular signaling cassette signal transduction positive regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death positive regulation of apoptotic process regulation of execution phase of apoptosis positive regulation of execution phase of apoptosis execution phase of apoptosis positive regulation of cellular process negative regulation of programmed cell death negative regulation of biological process negative regulation of execution phase of apoptosis negative regulation of apoptotic process negative regulation of cellular process adenylate cyclase-activating G protein-coupled receptor signaling pathway adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation cell chemotaxis cellular response to chemical stimulus cell migration cell motility cell surface receptor signaling pathway regulation of developmental process regulation of vasculature development positive regulation of developmental process regulation of multicellular organismal process regulation of anatomical structure morphogenesis regulation of multicellular organismal development positive regulation of angiogenesis positive regulation of vasculature development regulation of angiogenesis positive regulation of multicellular organismal process regulation of calcium ion transport regulation of localization positive regulation of cation transmembrane transport positive regulation of calcium ion transport intracellular calcium ion homeostasis calcium ion transport localization positive regulation of monoatomic ion transport positive regulation of monoatomic ion transmembrane transport monoatomic cation homeostasis monoatomic cation transport intracellular monoatomic ion homeostasis regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization inorganic cation transmembrane transport maintenance of location transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport chemical homeostasis cellular localization inorganic ion homeostasis transport homeostatic process monoatomic ion transmembrane transport calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion metal ion transport maintenance of location in cell regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport intracellular monoatomic cation homeostasis monoatomic ion homeostasis positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport monoatomic ion transport intracellular chemical homeostasis positive regulation of release of sequestered calcium ion into cytosol regulation of metal ion transport regulation of sequestering of calcium ion calcium ion transmembrane import into cytosol regulation of transport sequestering of calcium ion cellular homeostasis positive regulation of transport regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport defense response response to stress inflammatory response negative regulation of blood vessel morphogenesis negative regulation of developmental process negative regulation of angiogenesis negative regulation of vasculature development negative regulation of multicellular organismal process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II organic substance biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process cellular metabolic process primary metabolic process regulation of cellular metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process positive regulation of DNA-templated transcription cellular biosynthetic process RNA metabolic process positive regulation of cellular metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process positive regulation of biosynthetic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process regulation of cell motility regulation of leukocyte migration leukocyte migration regulation of cell migration regulation of immune system process negative regulation of cell population proliferation endothelial cell proliferation negative regulation of endothelial cell proliferation regulation of endothelial cell proliferation regulation of epithelial cell proliferation epithelial cell proliferation negative regulation of epithelial cell proliferation ovulation cycle rhythmic process estrous cycle reproductive process multicellular organismal reproductive process G protein-coupled opioid receptor signaling pathway system process sensory perception nervous system process phospholipase C-activating G protein-coupled receptor signaling pathway trans-synaptic signaling synaptic signaling anterograde trans-synaptic signaling cell-cell signaling chemical synaptic transmission behavior learning learning or memory cognition conditioned place preference associative learning biological process involved in interspecies interaction between organisms response to other organism defense response to symbiont response to biotic stimulus defense response to virus defense response to other organism response to external biotic stimulus response to virus response to organic substance response to acrylamide response to organonitrogen compound response to oxygen-containing compound response to nitrogen compound neuropeptide signaling pathway locomotory behavior adult behavior response to alkaloid behavioral response to cocaine response to organic cyclic compound response to cocaine response to hormone response to endogenous stimulus response to estrogen response to monosaccharide response to carbohydrate carbohydrate homeostasis cellular response to hexose stimulus cellular response to monosaccharide stimulus cellular response to organic substance cellular response to glucose stimulus intracellular glucose homeostasis cellular response to oxygen-containing compound response to hexose cellular response to carbohydrate stimulus response to glucose glucose homeostasis maternal behavior parental behavior reproductive behavior negative regulation of luteinizing hormone secretion regulation of system process negative regulation of transport regulation of luteinizing hormone secretion negative regulation of secretion luteinizing hormone secretion negative regulation of hormone secretion negative regulation of secretion by cell regulation of hormone levels regulation of secretion endocrine hormone secretion negative regulation of gonadotropin secretion regulation of endocrine process regulation of hormone secretion gonadotropin secretion negative regulation of signaling hormone secretion negative regulation of cell communication secretion by cell regulation of secretion by cell signal release regulation of signaling secretion regulation of gonadotropin secretion export from cell endocrine process hormone transport regulation of cell communication eating behavior feeding behavior sensory perception of temperature stimulus response to lipid cellular response to lipopolysaccharide cellular response to molecule of bacterial origin response to lipopolysaccharide cellular response to biotic stimulus response to bacterium cellular response to lipid response to molecule of bacterial origin adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway adenylate cyclase-inhibiting opioid receptor signaling pathway monoamine transport nitrogen compound transport regulation of catecholamine secretion organic hydroxy compound transport positive regulation of secretion by cell dopamine transport positive regulation of amine transport catecholamine transport positive regulation of secretion organic substance transport positive regulation of catecholamine secretion dopamine secretion positive regulation of dopamine secretion catecholamine secretion amine transport regulation of amine transport regulation of dopamine secretion regulation of body fluid levels secretion by tissue digestive system process regulation of digestive system process body fluid secretion digestion saliva secretion regulation of saliva secretion response to alcohol response to ethanol response to peptide hormone response to insulin positive regulation of cell communication positive regulation of signal transduction regulation of signal transduction p38MAPK cascade regulation of intracellular signal transduction positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade positive regulation of p38MAPK cascade regulation of p38MAPK cascade MAPK cascade positive regulation of signaling regulation of eating behavior positive regulation of feeding behavior positive regulation of eating behavior regulation of behavior positive regulation of behavior regulation of feeding behavior sensory perception of pain response to nicotine regulation of potassium ion transport potassium ion transmembrane transport regulation of potassium ion transmembrane transport positive regulation of potassium ion transport positive regulation of potassium ion transmembrane transport potassium ion transport electron transport chain generation of precursor metabolites and energy	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane intracellular anatomical structure cytoplasm postsynapse postsynaptic membrane synapse cell junction plasma membrane region cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane intracellular anatomical structure cytoplasm postsynapse postsynaptic membrane synapse cell junction plasma membrane region synaptic membrane sarcolemma T-tubule somatodendritic compartment cell body perikaryon neuronal cell body cytosol presynapse presynaptic membrane cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection membrane-bounded organelle intracellular membrane-bounded organelle endomembrane system sarcoplasm intracellular organelle organelle endoplasmic reticulum sarcoplasmic reticulum intracellular vesicle transport vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane synaptic vesicle synaptic vesicle membrane vesicle transport vesicle exocytic vesicle membrane cytoplasmic vesicle membrane secretory vesicle organelle membrane exocytic vesicle mitochondrion nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen axon axon terminus distal axon neuron projection terminus periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth R]	IPR004070	CXC chemokine receptor 3	Family
B [auth R]	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
B [auth R]	IPR017452	GPCR, rhodopsin-like, 7TM	Domain
B [auth R]	IPR000355	Chemokine receptor family	Family
B [auth R]	IPR001418	Opioid receptor	Family
B [auth R]	IPR000276	G protein-coupled receptor, rhodopsin-like	Family
B [auth R]	IPR000452	Kappa opioid receptor	Family
B [auth R]	IPR017452	GPCR, rhodopsin-like, 7TM	Domain
B [auth R]	IPR010980	Cytochrome c/b562	Homologous Superfamily
B [auth R]	IPR009155	Cytochrome b562	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth R]	Pharos: P41145	autoimmune disease glomerulonephritis Inflammation pleural disease allergic disease contact dermatitis pneumonia alopecia areata invasive ductal breast carcinoma pneumonitis atopic eczema cerebrovascular disorder cutaneous lupus erythematosus psoriasis cancer autoimmune disease glomerulonephritis Inflammation pleural disease allergic disease contact dermatitis pneumonia alopecia areata invasive ductal breast carcinoma pneumonitis atopic eczema cerebrovascular disorder cutaneous lupus erythematosus psoriasis cancer dermatitis, atopic interstitial cystitis ischemic disease tuberculosis breast carcinoma Pain opiate dependence cocaine dependence substance withdrawal syndrome visual epilepsy cocaine abuse depressive disorder pilocytic astrocytoma medulloblastoma obesity disorder pain agnosia schizophrenia glioblastoma malignant ependymoma atypical teratoid rhabdoid tumor large cell medulloblastoma malignant glioma astrocytic tumor oligodendroglioma

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
B [auth R]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
B [auth R]	MemProtMD	Annotated as membrane protein by MemProtMD

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.