PPIRE07483
Target Protein Information
| Protein_Name | Proteasome subunit beta type-5 |
|---|---|
| Protein_Sequence | MALASVLERPLPVNQRGFFGLGGRADLLDLGPGSLSDGLSLAAPGWGVPEEPGIEMLHGTTTLAFKFRHGVIVAADSRATAGAYIASQTVKKVIEINPYLLGTMAGGAADCSFWERLLARQCRIYELRNKERISVAAASKLLANMVYQYKGMGLSMGTMICGWDKRGPGLYYVDSEGNRISGATFSVGSGSVYAYGVMDRGYSYDLEVEQAYDLARRAIYQATYRDAYSGGAVNLYHVREDGWIRVSSDNVADLHEKYSGSTP |
| Organism_Source | Homo sapiens |
| Functional_Classification | protease |
| Cellular_Localization | Cytoplasm |
| Gene_Names | PSMB5 |
| UniProt_ID | P28074 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | scytonemide A |
|---|---|
| Peptide_Sequence | YGQISVL |
| Peptide_Length | 7 |
| Peptide_SMILES | CC[C@H](C)[C@H](NC(=O)[C@H](CCC(N)=O)NC(=O)CNC(=O)[C@@H](N)Cc1ccc(O)cc1)C(=O)N[C@@H](CO)C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)O)C(C)C |
| Chemical_Modification | None |
| Cyclization_Method | Main chain-main chain cyclization; Y1<->L7; other bonds |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | None |
| C-terminal_Modification | None |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 778.90 |
|---|---|
| Aliphatic_Index | 152.85714 |
| Aromaticity | 0.14286 |
| Average_Rotatable_Bonds | 3.42857 |
| Charge_at_pH_7 | -0.00287 |
| Isoelectric_Point | 6.09320 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 11 |
| Number_of_Hydrogen_Bond_Donors | 11 |
| Topological_Polar_Surface_Area | 321.47000 |
| X_logP_energy | -2.10720 |
Interaction Information
| Affinity | IC50=96 nM |
|---|---|
| Affinity_Assay | Enzyme Inhibition Kinetics |
| PDB_ID | None |
| Type | Inhibitor |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Scytonemides A and B, cyclic peptides with 20S proteasome inhibitory activity from the cultured cyanobacterium Scytonema hofmanii. |
| Release_Year | 2010 |
| PMID | 21058727 |
| DOI | 10.1021/np100600z |