Protein detail

OPRK

Kappa-type opioid receptor (K-OR-1) (KOR-1)

Entry name
OPRK
UniProt ID
EVMP confidence score
0.50
Supporting publications (n)
2
Transmembrane count
7
Protein classification
FDA approved drug targetsG-protein coupled receptorsPredicted membrane proteinsTransporters
EVMP confidence score

Annotation confidence score; open for threshold definitions.

Extremely high >= 0.85High >= 0.70Medium >= 0.55Low >= 0.40
Basic Information13
Protein Names
Kappa-type opioid receptor (K-OR-1) (KOR-1)
Protein Class (4)
FDA approved drug targetsG-protein coupled receptorsPredicted membrane proteinsTransporters
Protein Function (3)
  • Transporters
  • FDA approved drug targets:Small molecule drugs
  • G-protein coupled receptors:GPCRs excl olfactory receptors
Transmembrane
58..85; Helical; Name=1; 96..119; Helical; Name=2; 133..154; Helical; Name=3; 174..196; Helical; Name=4; 223..247; Helical; Name=5; 275..296; Helical; Name=6; 312..333; Helical; Name=7
Transmembrane Count
7
Entrez Gene Symbol
Gene Synonym (2)
KOROPRK
Gene Description
Opioid receptor kappa 1
Chromosome
8
Position
53225724-53251637
Supporting publications (n)
2
EVMP confidence score
0.50
Fluorescence & Localization2
Tissue SpecifictestisCell SpecificDifferentiating spermatogonia
Function & Pathway7
Protein Function (3)
  • Transporters
  • FDA approved drug targets:Small molecule drugs
  • G-protein coupled receptors:GPCRs excl olfactory receptors
Mediation Categories (5)
Clinical-translation mediationFusion and delivery mediationImmune mediationMetabolism mediationReceptor-signaling mediation
Relations & Evidence68

Enzyme-Mediated Modification (1)

1 record.

Substrate Gene SymbolEnzyme Gene SymbolEnzyme UniProt IDResidue TypeResidue OffsetModificationDatabaseReferences
OPRK1GRK1Q15835S358phosphorylationPhosphoSitePhosphoSite_ProtMapperProtMapper

Ligand-Receptor Signaling (57)

57 records.

CategoryParentDatabaseTransmitterReceiverSecretedPlasma Membrane (Transmembrane)Plasma Membrane (Peripheral)
receptorreceptorAlmen2009NoYesNoYesNo
receptorreceptorCellCellInteractionsNoYesNoYesNo
receptorreceptorEMBRACENoYesNoYesNo
gpcrreceptorGPCRdbNoYesNoYesNo
opioidreceptorHGNCNoYesNoYesNo
receptorreceptorHGNCNoYesNoYesNo
transmembranetransmembrane_predictedPhobiusNoNoNoYesNo
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Regulatory Interaction Network (8)

8 records.

Source Protein SymbolSource UniProt IDTarget Protein SymbolTarget UniProt IDIs DirectedIs StimulationIs InhibitionDatabaseReferences
PDYNP01213OPRKP41145YesYesNoiTALKGuide2Pharma_LRdbSIGNORHINTHPMR_talklrCellChatDBtalklrscConnectWangGuide2Pharma_CellinkerRamilowski2015HPMR_LRdbCellPhoneDBGuide2Pharma_talklrCellinkerSTRING_talklrGuide2PharmaCellTalkDBFantom5_LRdbHPMR_CellinkerconnectomeDB2020LRdbLRdb:1967312LRdb:7624359LRdb:7869844connectomeDB2020:9262330scConnect:9262330LRdb:8170987Cellinker:17503481Guide2Pharma:7624359connectomeDB2020:7624359connectomeDB2020:9686407scConnect:9686407LRdb:9686407Cellinker:9686407scConnect:7624359Cellinker:1967312scConnect:1967312Guide2Pharma:1967312SIGNOR:9262330CellTalkDB:7869844connectomeDB2020:8170987connectomeDB2020:7869844Guide2Pharma:9262330SIGNOR:9686407Cellinker:9262330Guide2Pharma:7869844HINT:36638794HINT:37285260LRdb:9262330connectomeDB2020:1967312Cellinker:7624359scConnect:7869844Cellinker:7869844Guide2Pharma:9686407Cellinker:8170987
COLIP01189OPRKP41145YesYesNoiTALKGuide2Pharma_LRdbSIGNORHPMR_talklrHPMRCellChatDBtalklrscConnectRamilowski2015_Baccin2019Guide2Pharma_CellinkerWangRamilowski2015HPMR_LRdbGuide2Pharma_talklrBaccin2019CellinkerSTRING_talklrEMBRACEGuide2PharmaCellTalkDBFantom5_LRdbHPMR_CellinkerconnectomeDB2020LRdbHPMR:8624732Cellinker:8624732LRdb:7624359Guide2Pharma:7624359scConnect:9686407connectomeDB2020:7624359connectomeDB2020:9686407LRdb:9686407Cellinker:9686407scConnect:7624359Baccin2019:7624359CellTalkDB:8624732Baccin2019:8624732SIGNOR:9686407Baccin2019:9686407Cellinker:7624359Guide2Pharma:9686407LRdb:8624732connectomeDB2020:8624732
OPRKP41145GNAOP09471YesYesNoSIGNORCui2007HINTCA1WangCA1:15082510HINT:37138078SIGNOR:31160049
OPRKP41145GNAI3P08754YesYesNoWangCui2007SIGNORCA1CA1:15082510SIGNOR:31160049
OPRKP41145GNAI1P63096YesYesNoHINTSIGNORHINT:36638794HINT:37138078SIGNOR:31160049HINT:37285260HINT:38052802
MECP2P51608OPRKP41145YesYesNoSIGNORSIGNOR:18511691
OPRKP41145GNAZP19086YesYesNoHINTSIGNORHINT:37138078SIGNOR:31160049
GRK1Q15835OPRKP41145YesNoNoiPTMnetPhosphoSitePhosphoSite_ProtMapperProtMapperPhosphoSite:18212250PhosphoSite:23086943

Protein Complex Composition (1)

1 record.

Component NameComponent Gene SymbolsComponent UniProt IDStoichiometryDatabaseDatabase IDsReferences
OPRK1P411452PDBPDB:4djhPDB:9mqkPDB:6vi4PDB:6b73

Isolation & Detection Technology (1)

1 record.

EV Isolation MethodDetection MethodNumber of ReferencesReferences
Differential UltracentrifugationUltrafiltration / Tangential Flow FiltrationSize Exclusion ChromatographyMass spectrometrySmall R sequencing (Illumi HiSeq 2000 (Solexa)437576973383431723611432340595564
Sequence, Structure & Domains11

Sequences

Length
380
Mass
42,645
Sequence
MDSPIQIFRGEPGPTCAPSACLPPNSSAWFPGWAEPDSNGSAGSEDAQLEPAHISPAIPVIITAVYSVVFVVGLVGNSLVMFVIIRYTKMKTATNIYIFNLALADALVTTTMPFQSTVYLMNSWPFGDVLCKIVISIDYYNMFTSIFTLTMMSVDRYIAVCHPVKALDFRTPLKAKIINICIWLLSSSVGISAIVLGGTKVREDVDVIECSLQFPDDDYSWWDLFMKICVFIFAFVIPVLIIIVCYTLMILRLKSVRLLSGSREKDRNLRRITRLVLVVVAVFVVCWTPIHIFILVEALGSTSHSTAALSSYYFCIALGYTNSSLNPILYAFLDENFKRCFRDFCFPLKMRMERQSTSRVRNTVQDPAYLRDIDGMNKPV
Alternative Products
Event=Alternative splicing; Named isoforms=2; Name=1; IsoId=P41145-1; Sequence=Displayed; Name=2; IsoId=P41145-2; Sequence=VSP_055313
Alternative Sequence
1..89; Missing (in isoform 2)

3D Structural Models

Turn
167..169; 257..259; 297..299; 331..333; 335..338
Helix
61..86; 93..109; 112..120; 128..161; 163..166; 172..194; 222..234; 246..253; 263..277; 307..330
Beta Strand
90..92; 121..123; 199..201; 203..206; 208..210; 216..218; 260..262; 300..302
3D Structure
Electron microscopy (21); X-ray crystallography (4)

Domain & Motif Annotations

Protein Families
G-protein coupled receptor 1 family
Sequence Similarities
Belongs to the G-protein coupled receptor 1 family.
Clinical Relevance9
Disease Involvement
FDA approved drug targets
Biomarker
Phase 1; Phase 2; Phase 3; Terminated; Approved; Preclinical; Phase 2/3; Discontinued in Phase 1
Drug Targets
FDA approved drug targets
Antibody
Interaction Protein
ENSG00000139112
Interaction Count
1
Interaction Dataset
intact_biogrid
Supporting Publications2
PMIDTitleAbstract
38207106Proteomic, Metabolomic, and Fatty Acid Profiling of Small Extracellular Vesicles from Glioblastoma Stem-Like Cells and Their Role in Tumor Heterogeneity.No abstract available
40730843Single urinary extracellular vesicle proteomics identifies complement receptor CD35 as a biomarker for sepsis-associated acute kidney injury.No abstract available