Brief Information of the Compound and Protein
Compound Name
 Compound Info 
(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-[(2S)-2-[(2S)-6-amino-2-[(2S)-2-[(2S)-2-{2-[(2S,3R)-2-[(2S)-2-(2-{2-[(2S)-2-amino-3-phenylpropanamido]acetamido}acetamido)-3-phenylpropanamido]-3-hydroxybutanamido]acetamido}propanamido]-5-carbamimidamidopentanamido]hexanamido]-3-hydroxypropanamido]propanamido]-5-carbamimidamidopentanamido]hexanamido]-4-methylpentanamido]propanamido]butanediamido]-4-carbamoylbutanoic acid
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 PubChem ID
CID: 44361543
SID: 14890950
Canonical SMILES
CC(C)C[C@H](NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](C)NC(=O)[C@H](CO)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](C)NC(=O)CNC(=O)[C@@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)CNC(=O)CNC(=O)[C@@H](N)Cc1ccccc1)[C@@H](C)O)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(O)=O
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Compound Formula C79H129N27O22
Compound Structure
Protein Name
 Protein Info 
Kappa-type opioid receptor
Protein Classification
Membrane receptor
>
Family A G protein-coupled receptor
>
Peptide receptor (family A GPCR)
>
Short peptide receptor (family A GPCR)
>
Opioid receptor
Uniprot ID
P41145
Gene Name
OPRK1
Table of Molecular Bioactivities Related to the Compound and Protein
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000011 CHO
 Cell Line Info 
Cricetulus griseus (Chinese hamster)  2
1
EC50 = 78.5 nM
   TI
   LI
   LO
   TS
2
Ki = 147 nM
   TI
   LI
   LO
   TS
CL000006 HEK293
 Cell Line Info 
Homo sapiens (Human)  2
1
Ki > 10000 nM
   TI
   LI
   LO
   TS
2
Ki > 1000 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 Ki > 2000 nM