PPIRE12780

Target Protein Information
Protein_Name Acetylcholine-binding protein
Protein_Sequence MRRNIFCLACLWIVQACLSLDRADILYNIRQTSRPDVIPTQRDRPVAVSVSLKFINILEVNEITNEVDVVFWQQTTWSDRTLAWNSSHSPDQVSVPISSLWVPDLAAYNAISKPEVLTPQLARVVSDGEVLYMPSIRQRFSCDVSGVDTESGATCRIKIGSWTHHSREISVDPTTENSDDSEYFSQYSRFEILDVTQKKNSVTYSCCPEAYEDVEVSLNFRKKGRSEIL
Organism_Source Lymnaea stagnalis
Functional_Classification ligand gated ion channel
Cellular_Localization Extracellular
Gene_Names None
UniProt_ID P58154
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name PnIA
Peptide_Sequence GCCSLPPCAANNPDYC
Peptide_Length 16
Peptide_SMILES CC(C)C[C@H](NC(=O)[C@H](CO)NC(=O)[C@H](CS)NC(=O)[C@H](CS)NC(=O)CN)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N[C@@H](CS)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(N)=O)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CS)C(=O)O
Chemical_Modification None
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 1627.84
Aliphatic_Index 36.87500
Aromaticity 0.06250
Average_Rotatable_Bonds 2.68750
Charge_at_pH_7 -1.25032
Isoelectric_Point 3.74992
Number_of_Hydrogen_Bond_Acceptors 26
Number_of_Hydrogen_Bond_Donors 23
Topological_Polar_Surface_Area 637.39000
X_logP_energy -9.20850
Interaction Information
Affinity Ki=1000 nM
Affinity_Assay competitive radioligand binding assay
PDB_ID None
Type antagonist
Structure
Reference Information
Document_Type Research Articles
Title AChBP-targeted alpha-conotoxin correlates distinct binding orientations with nAChR subtype selectivity.
Release_Year 2007
PMID 17660751
DOI 10.1038/sj.emboj.7601785