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Go to the GPCR, ligand, or experimental data tables.
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GPCR

Name	Kappa-type opioid receptor
Species	Homo sapiens (Human)
Gene	OPRK1
Synonym	K-OR-1 KOPr OP2 KOP KOR-1 Kappa receptor [ Show all ]
Disease	Obesity Opiate dependence Inflammatory bowel disease Erythema Diarrhea-predominant IBS Unspecified Bipolar disorder Alcohol use disorders Pain Substance dependence Neurodegenerative disease [ Show all ]
Length	380
Amino acid sequence	MDSPIQIFRGEPGPTCAPSACLPPNSSAWFPGWAEPDSNGSAGSEDAQLEPAHISPAIPVIITAVYSVVFVVGLVGNSLVMFVIIRYTKMKTATNIYIFNLALADALVTTTMPFQSTVYLMNSWPFGDVLCKIVISIDYYNMFTSIFTLTMMSVDRYIAVCHPVKALDFRTPLKAKIINICIWLLSSSVGISAIVLGGTKVREDVDVIECSLQFPDDDYSWWDLFMKICVFIFAFVIPVLIIIVCYTLMILRLKSVRLLSGSREKDRNLRRITRLVLVVVAVFVVCWTPIHIFILVEALGSTSHSTAALSSYYFCIALGYTNSSLNPILYAFLDENFKRCFRDFCFPLKMRMERQSTSRVRNTVQDPAYLRDIDGMNKPV
UniProt	P41145
Protein Data Bank	6b73, 4djh
GPCR-HGmod model	P41145
3D structure model	This structure is from PDB ID 6b73.
BioLiP	BL0402244,BL0402246, BL0224693,BL0224694, BL0402243,BL0402245
Therapeutic Target Database	T60693
ChEMBL	CHEMBL237
IUPHAR	318
DrugBank	BE0000632

Ligand

Name	CHEMBL606959
Molecular formula	C34H35N3O6
IUPAC name	(1S,2S,7S,8S,12R,20R,24R,32R)-11,33-dimethyl-19,25-dioxa-11,22,33-triazaundecacyclo[24.9.1.18,14.01,24.02,32.04,23.05,21.07,12.08,20.030,36.018,37]heptatriaconta-4(23),5(21),14(37),15,17,26,28,30(36)-octaene-2,7,17,27-tetrol
Molecular weight	581.669
Hydrogen bond acceptor	8
Hydrogen bond donor	5
XlogP	1.7
Synonyms	17,17'-Dimethyl-6,6',7,7'-tetradehydro-4,5alpha:4',5'alpha-diepoxy-6,6'-imino-7,7'-bi(morphinan)-3,3',14,14'-tetrol SCHEMBL19965774
Inchi Key	ASOVJVGZJDVADR-UCDXVGGRSA-N
Inchi ID	InChI=1S/C34H35N3O6/c1-36-9-7-31-23-15-3-5-19(38)27(23)42-29(31)25-17(13-33(31,40)21(36)11-15)18-14-34(41)22-12-16-4-6-20(39)28-24(16)32(34,8-10-37(22)2)30(43-28)26(18)35-25/h3-6,21-22,29-30,35,38-41H,7-14H2,1-2H3/t21-,22-,29+,30+,31+,32+,33-,34-/m1/s1
PubChem CID	13787553
ChEMBL	CHEMBL606959
IUPHAR	N/A
BindingDB	N/A
DrugBank	N/A
Structure SDF download
Lipinski's druglikeness	This ligand is heavier than 500 daltons.

Experimental Data

Parameter	Value	Reference	Database source
Ke	27.0 nM	PMID15743210	ChEMBL
Ki	<1000.0 nM	PMID10780914	ChEMBL
Ki	7.7 nM	PMID15743210	ChEMBL
Ki	21.7 nM	PMID10780914	ChEMBL

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