PPIRE04868

Target Protein Information
Protein_Name Prolyl endopeptidase
Protein_Sequence MSSDSSVAASAQPPIAAKKPHRVKFGYVEGEDRGPNPMNPPRYREDPYFWMRDDDRKDPAVIEHLNKEKVYFQARSADIAQLRDDIYAEHISHINEDDMSAPYVYGKYRYYTREVKGKPYKIYCRVFTDKEPGDVAAEEVIIDVNQVAEGKAFCDVMEVKPAPPEHDLVAFSVDMSGNEVYTIEFKRISDPSQTIADKVSGTNGEIVWGPDHTSLFYVTKDETLRENKVWRHVMGKLQSEDVCLYEEHNPLFSAFMYKAADTNTLCIGSQSPETAEVHLLDLRKGNAHNTLEIVRPREKGVRYDVQMHGTSHLVILTNEGGAVNHKLLIAPRGQPSDWSHVLVDHSEDVFMESIAVRSNYLVVAGRRAGLTRIWTMMADSQDGVFQAGTGLREVVMEEPIFTVHLVESQMLEYEEPTFRMEYSSLATPNTWFDVSPQDTLAPLVKVREVGGGFDAANYKVERRFATAPDQTKIPLSVVCHKDLDMSQPQPCMLYGYGSYGLSMDPQFSIQHLPYCDRGMIFAIAHIRGGSELGRAWYEIGAKYLTKRNTFSDFIAAAEFLVNAKLTTPSQLACEGRSAGGLLMGAVLNMRPDLFKVALAGVPFVDVMTTMCDPSIPLTTGEWEEWGNPNEYKYYDYMLSYSPMDNVRAQEYPNIMVQCGLHDPRVAYWEPAKWVSKLRECKTDNNEILLNIDMESGHFSAKDRYKFWKESAIQQAFVCKHLKSTVRLLVRR
Organism_Source Leishmania major
Functional_Classification serine peptidases
Cellular_Localization Cytoplasm
Gene_Names opb
UniProt_ID Q9XYH4
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name antipain
Peptide_Sequence FRVX
Peptide_Length 4
Peptide_SMILES CC(C)[C@H](NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H](N)Cc1ccccc1)C(=O)NCC(=O)O
Chemical_Modification X4=argininal
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification aldehyde
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 477.56
Aliphatic_Index 72.50000
Aromaticity 0.25000
Average_Rotatable_Bonds 3.50000
Charge_at_pH_7 0.99798
Isoelectric_Point 10.55000
Number_of_Hydrogen_Bond_Acceptors 6
Number_of_Hydrogen_Bond_Donors 8
Topological_Polar_Surface_Area 212.52000
X_logP_energy -1.35393
Interaction Information
Affinity Ki=69 nM
Affinity_Assay Enzyme Inhibition Kinetics
PDB_ID 2XE4
Type Inhibitor
Structure
Reference Information
Document_Type Research Articles
Title Crystal structure of Leishmania major oligopeptidase B gives insight into the enzymatic properties of a trypanosomatid virulence factor.
Release_Year 2010
PMID 20926390
DOI 10.1074/jbc.M110.156679