Basic Information

IDDRAMP21321
SequenceRWLRWWTRWRLK
Length12
Name4W (Derived from PMAP-36)
Sourcesynthetic construct
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
Pathogen[Ref.31276398] Gram-positive bacteria:Staphylococcus aureus 29213 (MIC=4 μM), Staphylococcus aureus 25923 (MIC=2 μM), Staphylococcus epidermidis 12228 (MIC=4 μM);##Gram-negative bacteria: Escherichia coli 25922 (MIC=4 μM), Escherichia coli 1005 (MIC=2 μM), Staphylococcus typhi (MIC=4 μM)
Hemolytic Activity[Ref.31276398] MHC=128μM. The minimum hemolytic concentration (MHC) is measured as the lowest concentration of the peptides that caused 5% hemolysis of human red blood cells (hRBCs).
Cytotoxicity[Ref.31276398] The cell viability of the murine macrophage cell line RAW264.7 induced by 4W is 95.3%, 88.3%, 89.7%, 97.9%, 91.2%, 77.6%, 32.8% and 0% at peptide concentrations of 1, 2, 4, 8, 16, 32, 64 and 128 μM
N-terminal ModificationFree
C-terminal ModificationAmidation
Linear/Cyclic/BranchedLinear
Uniprot
PDB
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID31276398

Physicochemical Properties

Residues12
SequenceRWLRWWTRWRLK
Molecular Weight1843.189
Grand Average of Hydropathy-1.55
Isoelectric Point12
Charge at pH 7.44.555
Secondary StructureHelix: 0.500, Turn: 0.000, Sheet: 0.167
Instability Index159.1
Aromaticity0.333

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