PPIRE13523

Target Protein Information
Protein_Name Lipopolysaccharide export system protein LptA
Protein_Sequence MKFKTNKLSLNLVLASSLLAASIPAFAVTGDTDQPIHIESDQQSLDMQGNVVTFTGNVIVTQGTIKINADKVVVTRPGGEQGKEVIDGYGKPATFYQMQDNGKPVEGHASQMHYELAKDFVVLTGNAYLQQVDSNIKGDKITYLVKEQKMQAFSDKGKRVTTVLVPSQLQDKNNKGQTPAQKKGN
Organism_Source Escherichia coli O157:H7
Functional_Classification lipopolysaccharide transport protein
Cellular_Localization Extracellular
Gene_Names lptA
UniProt_ID P0ADV3
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name thanatin
Peptide_Sequence GSKKPVPIIYCNRRTGKCQRM
Peptide_Length 21
Peptide_SMILES CC[C@H](C)[C@H](NC(=O)[C@@H](NC(=O)[C@@H]1CCCN1C(=O)[C@@H](NC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)CN)C(C)C)[C@@H](C)CC)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CS)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@H](C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCSC)C(=O)O)[C@@H](C)O
Chemical_Modification None
Cyclization_Method side chain-side chain cyclization; C11<->C18; disulfide bond
Linear/Cyclic Cyclic
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 2435.95
Aliphatic_Index 50.95238
Aromaticity 0.04762
Average_Rotatable_Bonds 3.90476
Charge_at_pH_7 5.87229
Isoelectric_Point 11.09291
Number_of_Hydrogen_Bond_Acceptors 36
Number_of_Hydrogen_Bond_Donors 39
Topological_Polar_Surface_Area 1038.37000
X_logP_energy -11.63049
Interaction Information
Affinity KD=12 nM
Affinity_Assay Fluorescence Polarization
PDB_ID None
Type Inhibitor
Structure
Reference Information
Document_Type Research Articles
Title Thanatin targets the intermembrane protein complex required for lipopolysaccharide transport in Escherichia coli.
Release_Year 2018
PMID 30443594
DOI 10.1126/sciadv.aau2634