PPIRE03526
Target Protein Information
| Protein_Name | Leptin receptor |
|---|---|
| Protein_Sequence | MICQKFCVVLLHWEFIYVITAFNLSYPITPWRFKLSCMPPNSTYDYFLLPAGLSKNTSNSNGHYETAVEPKFNSSGTHFSNLSKTTFHCCFRSEQDRNCSLCADNIEGKTFVSTVNSLVFQQIDANWNIQCWLKGDLKLFICYVESLFKNLFRNYNYKVHLLYVLPEVLEDSPLVPQKGSFQMVHCNCSVHECCECLVPVPTAKLNDTLLMCLKITSGGVIFQSPLMSVQPINMVKPDPPLGLHMEITDDGNLKISWSSPPLVPFPLQYQVKYSENSTTVIREADKIVSATSLLVDSILPGSSYEVQVRGKRLDGPGIWSDWSTPRVFTTQDVIYFPPKILTSVGSNVSFHCIYKKENKIVPSKEIVWWMNLAEKIPQSQYDVVSDHVSKVTFFNLNETKPRGKFTYDAVYCCNEHECHHRYAELYVIDVNINISCETDGYLTKMTCRWSTSTIQSLAESTLQLRYHRSSLYCSDIPSIHPISEPKDCYLQSDGFYECIFQPIFLLSGYTMWIRINHSLGSLDSPPTCVLPDSVVKPLPPSSVKAEITINIGLLKISWEKPVFPENNLQFQIRYGLSGKEVQWKMYEVYDAKSKSVSLPVPDLCAVYAVQVRCKRLDGLGYWSNWSNPAYTVVMDIKVPMRGPEFWRIINGDTMKKEKNVTLLWKPLMKNDSLCSVQRYVINHHTSCNGTWSEDVGNHTKFTFLWTEQAHTVTVLAINSIGASVANFNLTFSWPMSKVNIVQSLSAYPLNSSCVIVSWILSPSDYKLMYFIIEWKNLNEDGEIKWLRISSSVKKYYIHDHFIPIEKYQFSLYPIFMEGVGKPKIINSFTQDDIEKHQSDAGLYVIVPVIISSSILLLGTLLISHQRMKKLFWEDVPNPKNCSWAQGLNFQKPETFEHLFIKHTASVTCGPLLLEPETISEDISVDTSWKNKDEMMPTTVVSLLSTTDLEKGSVCISDQFNSVNFSEAEGTEVTYEDESQRQPFVKYATLISNSKPSETGEEQGLINSSVTKCFSSKNSPLKDSFSNSSWEIEAQAFFILSDQHPNIISPHLTFSEGLDELLKLEGNFPEENNDKKSIYYLGVTSIKKRESGVLLTDKSRVSCPFPAPCLFTDIRVLQDSCSHFVENNINLGTSSKKTFASYMPQFQTCSTQTHKIMENKMCDLTV |
| Organism_Source | Homo sapiens |
| Functional_Classification | Receptor |
| Cellular_Localization | Plasma membrane |
| Gene_Names | LEPR |
| UniProt_ID | P48357 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | Allo-aca(biotin) |
|---|---|
| Peptide_Sequence | XEXVALSRX |
| Peptide_Length | 9 |
| Peptide_SMILES | CC(C)C[C@H](NC(=O)[C@H](C)NC(=O)[C@@H](NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)CN)C(C)C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCNC(=N)N)C(=O)NCC(=O)O |
| Chemical_Modification | X1=allo-threonine; X3=norvaline; X9=6-amino-caproic acid |
| Cyclization_Method | None |
| Linear/Cyclic | Linear |
| N-terminal_Modification | Free |
| C-terminal_Modification | amide |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 844.92 |
|---|---|
| Aliphatic_Index | 86.66667 |
| Aromaticity | 0.00000 |
| Average_Rotatable_Bonds | 3.11111 |
| Charge_at_pH_7 | -0.00024 |
| Isoelectric_Point | 6.41015 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 13 |
| Number_of_Hydrogen_Bond_Donors | 15 |
| Topological_Polar_Surface_Area | 415.55000 |
| X_logP_energy | -5.98673 |
Interaction Information
| Affinity | KD=0.3 nM |
|---|---|
| Affinity_Assay | Surface plasmon resonance |
| PDB_ID | None |
| Type | antagonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | The designer leptin antagonist peptide Allo-aca compensates for short serum half-life with very tight binding to the receptor. |
| Release_Year | 2013 |
| PMID | 24366600 |
| DOI | 10.1007/s00726-013-1650-6 |