PPIRE17575
Target Protein Information
| Protein_Name | Serine/threonine-protein phosphatase PP1-alpha catalytic subunit |
|---|---|
| Protein_Sequence | MSDSEKLNLDSIIGRLLEVQGSRPGKNVQLTENEIRGLCLKSREIFLSQPILLELEAPLKICGDIHGQYYDLLRLFEYGGFPPESNYLFLGDYVDRGKQSLETICLLLAYKIKYPENFFLLRGNHECASINRIYGFYDECKRRYNIKLWKTFTDCFNCLPIAAIVDEKIFCCHGGLSPDLQSMEQIRRIMRPTDVPDQGLLCDLLWSDPDKDVQGWGENDRGVSFTFGAEVVAKFLHKHDLDLICRAHQVVEDGYEFFAKRQLVTLFSAPNYCGEFDNAGAMMSVDETLMCSFQILKPADKNKGKYGQFSGLNPGGRPITPPRNSAKAKK |
| Organism_Source | Oryctolagus cuniculus |
| Functional_Classification | serine threonine protein phosphatases |
| Cellular_Localization | Cytoplasm |
| Gene_Names | PPP1CA |
| UniProt_ID | P62139 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | MC-LR |
|---|---|
| Peptide_Sequence | aLXXXeX |
| Peptide_Length | 7 |
| Peptide_SMILES | CC(C)C[C@H](NC(=O)[C@H](C)N)C(=O)NCC(=O)NCC(=O)NCC(=O)N[C@@H](CCC(=O)O)C(=O)NCC(=O)O |
| Chemical_Modification | X3=d-erythro-u-methylaspartic acid; X5=Adda; X7=N-methyldehydroalanine |
| Cyclization_Method | Main chainain chain cyclization; a1<-->X7; amide bond |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | Free |
| C-terminal_Modification | Free |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 559.58 |
|---|---|
| Aliphatic_Index | 70.00000 |
| Aromaticity | 0.00000 |
| Average_Rotatable_Bonds | 2.57143 |
| Charge_at_pH_7 | -1.00024 |
| Isoelectric_Point | 3.84998 |
|---|---|
| Hydrogen_Bond_Acceptors | 9 |
| Hydrogen_Bond_Donors | 9 |
| Topological_Polar_Surface_Area | 275.22000 |
| X_logP_energy | -4.23650 |
Interaction Information
| Affinity | IC50=2.1 nM |
|---|---|
| Affinity_Assay | PP1 inhibition assay |
| PDB_ID | None |
| Type | Inhibitor |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | The presence of microcystins and other cyanobacterial bioactive peptides in aquatic fauna collected from Greek freshwaters |
| Release_Year | 2006 |
| PMID | 16540185 |
| DOI | 10.1016/j.aquatox.2006.02.001 |