PPIRE00830

Target Protein Information
Protein_Name Melanin-concentrating hormone receptor 1
Protein_Sequence MDLEASLLPTGPNASNTSDGPDNLTSAGSPPRTGSISYINIIMPSVFGTICLLGIIGNSTVIFAVVKKSKLHWCNNVPDIFIINLSVVDLLFLLGMPFMIHQLMGNGVWHFGETMCTLITAMDANSQFTSTYILTAMAIDRYLATVHPISSTKFRKPSVATLVICLLWALSFISITPVWLYARLIPFPGGAVGCGIRLPNPDTDLYWFTLYQFFLAFALPFVVITAAYVRILQRMTSSVAPASQRSIRLRTKRVTRTAIAICLVFFVCWAPYYVLQLTQLSISRPTLTFVYLYNAAISLGYANSCLNPFVYIVLCETFRKRLVLSVKPAAQGQLRAVSNAQTADEERTESKGT
Organism_Source Homo sapiens
Functional_Classification G protein-coupled receptor
Cellular_Localization plasma membrane
Gene_Names MCHR1
UniProt_ID Q99705
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name Ac-Arg6-cyclo(S-S)(Cys7-Met8-Ava9-Arg11-Val12-Tyr13-Arg14-Pro15-Cys16)-NH2
Peptide_Sequence RCMXRVYRPC
Peptide_Length 10
Peptide_SMILES CSCC[C@H](NC(=O)[C@H](CS)NC(=O)[C@@H](N)CCCNC(=N)N)C(=O)NCC(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@H](C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CS)C(=O)O)C(C)C
Chemical_Modification X4=5-aminovaleric acid
Cyclization_Method Side chain-side chain cyclization; C2<->C10; disulfide bond
Linear/Cyclic Cyclic
N-terminal_Modification Acetyl
C-terminal_Modification amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 1240.53
Aliphatic_Index 29.00000
Aromaticity 0.10000
Average_Rotatable_Bonds 3.80000
Charge_at_pH_7 2.87317
Isoelectric_Point 9.59364
Number_of_Hydrogen_Bond_Acceptors 18
Number_of_Hydrogen_Bond_Donors 22
Topological_Polar_Surface_Area 522.36000
X_logP_energy -5.09409
Interaction Information
Affinity KD=330 nM
Affinity_Assay 1H NMR spectroscopy
PDB_ID None
Type antagonist
Structure
Reference Information
Document_Type Research Articles
Title Synthesis and biological evaluation in vitro of selective, high affinity peptide antagonists of human melanin-concentrating hormone action at human melanin-concentrating hormone receptor 1.
Release_Year 2002
PMID 12009900
DOI 10.1021/bi0200514