PPIRE12116
Target Protein Information
| Protein_Name | None |
|---|---|
| Protein_Sequence | MMRKKSFWLGMLTALMLVFTMAFSDSASAAQPAKNVEKDYIVGFKSGVKTASVKKDIIKESGGKVDKQFRIINAAKAKLDKEALKEVKNDPDVAYVEEDHVAHALAQTVPYGIPLIKADKVQAQGFKGANVKVAVLDTGIQASHPDLNVVGGASFVAGEAYNTDGNGHGTHVAGTVAALDNTTGVLGVAPSVSLYAVKVLNSSGSGSYSGIVSGIEWATTNGMDVINMSLGGASGSTAMKQAVDNAYARGVVVVAAAGNSGSSGNTNTIGYPAKYDSVIAVGAVDSNSNRASFSSVGAELEVMAPGAGVYSTYPTNTYATLNGTSMASPHVAGAAALILSKHPNLSASQVRNRLSSTATYLGSSFYYGKGLINVEAAAQ |
| Organism_Source | Bacillus licheniformis |
| Functional_Classification | serine proteases |
| Cellular_Localization | Extracellular |
| Gene_Names | aprE |
| UniProt_ID | Q1EM64 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | marinostatin E |
|---|---|
| Peptide_Sequence | ATMRYPSDSDEDGFN |
| Peptide_Length | 15 |
| Peptide_SMILES | CSCC[C@H](NC(=O)[C@@H](NC(=O)[C@H](C)N)[C@@H](C)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)NCC(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CC(N)=O)C(=O)O |
| Chemical_Modification | None |
| Cyclization_Method | side chain-side chain cyclization; T3<->D9; other bonds; S8<->D11; other bonds |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | Free |
| C-terminal_Modification | Free |
| Amino_Acid_Distribution | |
|
|
|
Peptide Physicochemical
| Molecular_Weight | 1704.74 |
|---|---|
| Aliphatic_Index | 6.66667 |
| Aromaticity | 0.13333 |
| Average_Rotatable_Bonds | 3.53333 |
| Charge_at_pH_7 | -2.99975 |
| Isoelectric_Point | 3.69901 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 27 |
| Number_of_Hydrogen_Bond_Donors | 27 |
| Topological_Polar_Surface_Area | 797.04000 |
| X_logP_energy | -10.91993 |
Interaction Information
| Affinity | IC50=39.6 uM |
|---|---|
| Affinity_Assay | Enzyme Inhibition Kinetics |
| PDB_ID | None |
| Type | Inhibitor |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Heterologous production of new protease inhibitory peptide marinostatin E. |
| Release_Year | 2021 |
| PMID | 33577650 |
| DOI | 10.1093/bbb/zbaa011 |