PPIPT02256

Target Protein Information
Protein_Name T-cell surface glycoprotein CD4
Protein_Sequence MCRGFSFRHLLPLLLLQLSKLLVVTQGKTVVLGKEGGSAELPCESTSRRSASFAWKSSDQKTILGYKNKLLIKGSLELYSRFDSRKNAWERGSFPLIINKLRMEDSQTYVCELENKKEEVELWVFRVTFNPGTRLLQGQSLTLILDSNPKVSDPPIECKHKSSNIVKDSKAFSTHSLRIQDSGIWNCTVTLNQKKHSFDMKLSVLGFASTSITAYKSEGESAEFSFPLNLGEESLQGELRWKAEKAPSSQSWITFSLKNQKVSVQKSTSNPKFQLSETLPLTLQIPQVSLQFAGSGNLTLTLDRGILYQEVNLVVMKVTQPDSNTLTCEVMGPTSPKMRLILKQENQEARVSRQEKVIQVQAPEAGVWQCLLSEGEEVKMDSKIQVLSKGLNQTMFLAVVLGSAFSFLVFTGLCILFCVRCRHQQRQAARMSQIKRLLSEKKTCQCSHRMQKSHNLI
Organism_Source Rattus norvegicus
Functional_Classification Ig superfamily co-receptor
Cellular_Localization Plasma membrane
Gene_Names Cd4
UniProt_ID P05540
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name pentapeptide II (Thr-Thr-Ser-Tyr-Thr)
Peptide_Sequence TTSYT
Peptide_Length 5
Peptide_SMILES C[C@@H](O)[C@H](N)C(=O)N[C@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@H](C(=O)O)[C@@H](C)O)[C@@H](C)O
Chemical_Modification None
Cyclization_Method none
Linear/Cyclic Linear
N-terminal_Modification free
C-terminal_Modification free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 571.58
Aliphatic_Index 0.00000
Aromaticity 0.20000
Average_Rotatable_Bonds 3.00000
Charge_at_pH_7 -0.00287
Isoelectric_point 6.09320
Number_of_Hydrogen_Bond_Acceptors 11
Number_of_Hydrogen_Bond_Donors 11
Topological_Polar_Surface_Area 280.87000
X_logP_energy -4.57950
Interaction Information
Affinity IC50=0.4 nM
Affinity_Assay radioligand binding assay
PDB_ID None
Type Antagonist
Structure
Reference Information
Document_Type Patent
Title Small peptides which inhibit binding to T-8 receptors and act as immunogens
Release_Year 1987
Patent_ID EP0249394A2