Basic Information

IDDRAMP20890
SequenceVYPFCWGGAYAFCKAKLV
Length18
NameVT18-CAKKLV (VT18 peptide derivative)
SourceSynthetic construct
ActivityAntimicrobial, Antibacterial, Anti-Gram+
Pathogen[Ref.29277569] Gram-positive bacteria: Streptococcus pneumoniae ATCC 700669 (MIC=58 μg/ml), Streptococcus pneumoniae ATCC 49619 (MIC=90 μg/ml), Streptococcus pneumoniae ATCC 700677 (MIC=72 μg/ml)
Hemolytic Activity[Ref.29277569] 0.5% hemolysis at 5 μg/ml, 1.0% hemolysis at 10μg/ml, 1.5% hemolysis at 20 μg/ml, 2.0% hemolysis at 50 μg/ml, 3.8% hemolysis at 100 μg/ml, 4.5% hemolysis at 250 μg/ml, 6.8% hemolysis at 500 μg/ml against human red blood cells
Cytotoxicity[Ref.29277569] The cell viability of NL-20 normal lung cell line is not affected (<20%) below 50 μg/ml.## The cell viability of NL-20 is 86%, 48%, 19% and 11% at peptide concentrations of 50, 100, 250 and 500 μg/ml.
N-terminal ModificationFree
C-terminal ModificationAmidation
Linear/Cyclic/BranchedLinear
Uniprot
PDB
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID29277569

Physicochemical Properties

Residues18
SequenceVYPFCWGGAYAFCKAKLV
Molecular Weight2023.421
Grand Average of Hydropathy0.806
Isoelectric Point8.818
Charge at pH 7.41.464
Secondary StructureHelix: 0.444, Turn: 0.167, Sheet: 0.222
Instability Index40.783
Aromaticity0.278

Similar Structure Search

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