PPIRE13263
Target Protein Information
| Protein_Name | Streptavidin |
|---|---|
| Protein_Sequence | MRKIVVAAIAVSLTTVSITASASADPSKDSKAQVSAAEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAASIDAAKKAGVNNGNPLDAVQQ |
| Organism_Source | Streptomyces avidinii |
| Functional_Classification | biotin-binding proteins |
| Cellular_Localization | Extracellular |
| Gene_Names | None |
| UniProt_ID | P22629 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | p25 |
|---|---|
| Peptide_Sequence | CWHPQAGC |
| Peptide_Length | 8 |
| Peptide_SMILES | C[C@H](NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H]1CCCN1C(=O)[C@H](Cc1c[nH]cn1)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@@H](N)CS)C(=O)NCC(=O)N[C@@H](CS)C(=O)O |
| Chemical_Modification | None |
| Cyclization_Method | side chain-side chain cyclization; C1<->C8; disulfide bond |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | Free |
| C-terminal_Modification | Free |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 901.03 |
|---|---|
| Aliphatic_Index | 12.50000 |
| Aromaticity | 0.12500 |
| Average_Rotatable_Bonds | 2.87500 |
| Charge_at_pH_7 | -0.03506 |
| Isoelectric_Point | 7.25316 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 13 |
| Number_of_Hydrogen_Bond_Donors | 13 |
| Topological_Polar_Surface_Area | 345.79000 |
| X_logP_energy | -3.23570 |
Interaction Information
| Affinity | KD=12.6 uM |
|---|---|
| Affinity_Assay | Isothermal titration calorimetry |
| PDB_ID | None |
| Type | Affinity ligand |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | An in-the-groove view of DNA structures in complexes with proteins. |
| Release_Year | 1996 |
| PMID | 8636970 |
| DOI | 10.1006/jmbi.1996.0055 |