PPIRE06825

Target Protein Information
Protein_Name Sodium/calcium exchanger 1
Protein_Sequence MLQFSLSPTLSMGFHVIAMVALLFSHVDHISAETEMEGEGNETGECTGSYYCKKGVILPIWEPQDPSFGDKIARATVYFVAMVYMFLGVSIIADRFMSSIEVITSQEKEITIKKPNGETTKTTVRIWNETVSNLTLMALGSSAPEILLSVIEVCGHNFTAGDLGPSTIVGSAAFNMFIIIALCVYVVPDGETRKIKHLRVFFVTAAWSIFAYTWLYIILSVSSPGVVEVWEGLLTFFFFPICVVFAWVADRRLLFYKYVYKRYRAGKQRGMIIEHEGDRPSSKTEIEMDGKVVNSHVDSFLDGALVLEVDERDQDDEEARREMARILKELKQKHPEKEIEQLIELANYQVLSQQQKSRAFYRIQATRLMTGAGNILKRHAADQARKAVSMHEVNTEVAENDPVSKIFFEQGTYQCLENCGTVALTIIRRGGDLTNTVFVDFRTEDGTANAGSDYEFTEGTVVFKPGETQKEIRVGIIDDDIFEEDENFLVHLSNVKVSLEASEDGILEASHVSTLACLGSPSTATVTIFDDDHAGIFTFEEPVTHVSESIGIMEVKVLRTSGARGNVIVPYKTIEGTARGGGEDFEDTCGELEFQNDEIVKTISVKVIDDEEYEKNKTFFLEIGEPRLVEMSEKKALLLNELGGFTITGKYLYGQPVFRKVHAREHPLPSTIITIADEYDDKQPLTSKEEEERRIAEMGRPILGEHTRLEVIIEESYEFKSTVDKLIKKTNLALVVGTNSWREQFIEAITVSAGEDDDDDECGEEKLPSCFDYVMHFLTVFWKVLFAFVPPTEYWNGWACFIVSILMIGLLTAFIGDLASHFACTIALKDSVTAVVFVALGTSVPDTFASKVAATQDQYADASIGNVTGSNAVNVFLGIGVAWSIAAIYHAANGEQFKVSPGTLAFSVTLFTIFAFINVGVLLYRRRPEIGGELGGPRTAKLLTSCLFVLLWLLYIFFSSLEAYCHIKGF
Organism_Source Bos taurus
Functional_Classification ion exchangers
Cellular_Localization Plasma membrane
Gene_Names SLC8A1
UniProt_ID P48765
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name Nal2RCRCFa
Peptide_Sequence XRCRCF
Peptide_Length 6
Peptide_SMILES N=C(N)NCCC[C@H](NC(=O)CN)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CS)C(=O)N[C@@H](Cc1ccccc1)C(=O)O
Chemical_Modification X1=2-naphthylalanine
Cyclization_Method side chain-side chain cyclization; C3<->C5; other bonds
Linear/Cyclic Cyclic
N-terminal_Modification Free
C-terminal_Modification amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 740.90
Aliphatic_Index 0.00000
Aromaticity 0.16667
Average_Rotatable_Bonds 3.83333
Charge_at_pH_7 1.87403
Isoelectric_Point 8.83492
Number_of_Hydrogen_Bond_Acceptors 11
Number_of_Hydrogen_Bond_Donors 15
Topological_Polar_Surface_Area 332.62000
X_logP_energy -3.91746
Interaction Information
Affinity IC50=10 uM
Affinity_Assay Na+-dependent 45Ca uptake assay
PDB_ID None
Type Inhibitor
Structure
Reference Information
Document_Type Research Articles
Title Inhibition of the cardiac sarcolemma Na+/Ca2+ exchanger by conformationally constrained small cyclic peptides.
Release_Year 1997
PMID 9016354
DOI 10.1124/mol.51.1.126