PPIRE18791

Target Protein Information
Protein_Name Insulin-like 3
Protein_Sequence MDPRLPAWALVLLGPALVFALGPAPTPEMREKLCGHHFVRALVRVCGGPRWSTEARRPATGGDRELLQWLERRHLLHGLVADSNLTLGPGLQPLPQTSHHHRHHRAAATNPARYCCLSGCTQQDLLTLCPY
Organism_Source Homo sapiens
Functional_Classification G protein-coupled receptor
Cellular_Localization Plasma membrane
Gene_Names INSL3
UniProt_ID P51460
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name A-(9-26) INSL3
Peptide_Sequence AATNPARYCCLSGCTQQDLLTLCPYPTPEMREKLCGHHFVRALVRVCGGPRWSTEA
Peptide_Length 56
Peptide_SMILES CSCC[C@H](NC(=O)[C@H](CCC(=O)O)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](NC(=O)[C@@H]1CCCN1C(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CS)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](CS)NC(=O)CNC(=O)[C@H](CO)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CS)NC(=O)[C@H](CS)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](C)NC(=O)[C@@H]1CCCN1C(=O)[C@H](CC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](C)NC(=O)[C@H](C)N)[C@@H](C)O)[C@@H](C)O)[C@@H](C)O)[C@@H](C)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CS)C(=O)NCC(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@H](C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@H](C(=O)N[C@@H](CS)C(=O)NCC(=O)NCC(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](CO)C(=O)N[C@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](C)C(=O)O)[C@@H](C)O)C(C)C)C(C)C)C(C)C
Chemical_Modification None
Cyclization_Method Side chain cyclization; CysA10<-->CysA15; disulfide bond
Linear/Cyclic Cyclic
N-terminal_Modification Free
C-terminal_Modification Amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 6209.20
Aliphatic_Index 66.25000
Aromaticity 0.07143
Average_Rotatable_Bonds 3.42857
Charge_at_pH_7 1.81171
Isoelectric_Point 8.12293
Number_of_Hydrogen_Bond_Acceptors 88
Number_of_Hydrogen_Bond_Donors 93
Topological_Polar_Surface_Area 2489.08000
X_logP_energy -26.60075
Interaction Information
Affinity Ki=0.72 nM
Affinity_Assay Radioligand binding assay
PDB_ID None
Type Antagonist
Structure
Reference Information
Document_Type Research Articles
Title The A-chain of Human Relaxin Family Peptides Has Distinct Roles in the Binding and Activation of the Different Relaxin Family Peptide Receptors
Release_Year 2008
PMID 18434306
DOI 10.1074/jbc.M801911200