PPIRE17724
Target Protein Information
| Protein_Name | T-cell surface glycoprotein CD4 |
|---|---|
| Protein_Sequence | MNRGVPFRHLLLVLQLALLPAATQGKKVVLGKKGDTVELTCTASQKKSIQFHWKNSNQIKILGNQGSFLTKGPSKLNDRADSRRSLWDQGNFPLIIKNLKIEDSDTYICEVEDQKEEVQLLVFGLTANSDTHLLQGQSLTLTLESPPGSSPSVQCRSPRGKNIQGGKTLSVSQLELQDSGTWTCTVLQNQKKVEFKIDIVVLAFQKASSIVYKKEGEQVEFSFPLAFTVEKLTGSGELWWQAERASSSKSWITFDLKNKEVSVKRVTQDPKLQMGKKLPLHLTLPQALPQYAGSGNLTLALEAKTGKLHQEVNLVVMRATQLQKNLTCEVWGPTSPKLMLSLKLENKEAKVSKREKAVWVLNPEAGMWQCLLSDSGQVLLESNIKVLPTWSTPVQPMALIVLGGVAGLLLFIGLGIFFCVRCRHRRRQAERMSQIKRLLSEKKTCQCPHRFQKTCSPI |
| Organism_Source | Homo sapiens |
| Functional_Classification | immunoglobulin superfamily |
| Cellular_Localization | Plasma membrane |
| Gene_Names | CD4 |
| UniProt_ID | P01730 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | MBP peptide (859) |
|---|---|
| Peptide_Sequence | ENPVVHFFKNIVTPR |
| Peptide_Length | 15 |
| Peptide_SMILES | CC[C@H](C)[C@H](NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](Cc1c[nH]cn1)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H]1CCCN1C(=O)[C@H](CC(N)=O)NC(=O)[C@@H](N)CCC(=O)O)C(C)C)C(C)C)C(=O)N[C@H](C(=O)N[C@H](C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(=N)N)C(=O)O)[C@@H](C)O)C(C)C |
| Chemical_Modification | None |
| Cyclization_Method | None |
| Linear/Cyclic | Linear |
| N-terminal_Modification | Free |
| C-terminal_Modification | Free |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 1797.09 |
|---|---|
| Aliphatic_Index | 84.00000 |
| Aromaticity | 0.13333 |
| Average_Rotatable_Bonds | 3.60000 |
| Charge_at_pH_7 | 1.09037 |
| Isoelectric_Point | 9.69703 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 23 |
| Number_of_Hydrogen_Bond_Donors | 23 |
| Topological_Polar_Surface_Area | 713.45000 |
| X_logP_energy | -4.94813 |
Interaction Information
| Affinity | KD=2.5 mM |
|---|---|
| Affinity_Assay | Surface Plasmon Resonance |
| PDB_ID | None |
| Type | Affinity ligand |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Remarkably low affinity of CD4/peptide-major histocompatibility complex class II protein interactions |
| Release_Year | 2016 |
| PMID | 27114505 |
| DOI | 10.1073/pnas.1513918113 |