Basic Information

IDDRAMP20868
SequenceKFKKLFKKLSPVIGKEFKRIVERIKRFLR
Length29
NameH4
SourceSynthetic construct
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
Pathogen[Ref.29910626] Gram-positive bacteria: Staphylococcus aureus ATCC 29213 (MIC=20 μM), Staphylococcus aureus ATCC 33591 (MIC=10 μM), Staphylococcus aureus ATCC 43300 (MIC=10 μM), Staphylococcus aureus ATCC BAA41 (MIC=10 μM), Enterococcus faecalis ATCC 19433 (MIC=15 μM), Enterococcus faecalis ATCC BAA2365 (MIC=5 μM), Staphylococcus epidermidis ATCC 12228 (MIC=10 μM), Enterococcus faecium ATCC BAA2316 (MIC=5 μM);##Gram-negative bacteria: Escherichia coli ATCC 25922 (MIC=10 μM), Pseudomonas aeruginosa ATCC 27853 (MIC=20 μM), Acinetobacter baumannii ATCC 19606 (MIC=10 μM), Klebsiella pneumoniae ATCC 13883 (MIC=2.5 μM), Pseudomonas aeruginosa ATCC BAA2114 (MIC=25 μM), Escherichia coli ATCC BAA2452 (MIC=10 μM)
Hemolytic Activity[Ref.29910626] 0% haemolysis at 5 μM, 0% haemolysis at 10 μM, 0% haemolysis at 25 μM, 0% haemolysis at 40 μM, 0% haemolysis at 55 μM, 0% haemolysis at 75 μM, 0% haemolysis at 80 μM, 2.1% haemolysis at 100 μM against human red blood cells
Cytotoxicity[Ref.29910626] IC50 = 61.9±0.18 μM against HEK293.## IC50 = 64.9±1.01 μM against Vero.
N-terminal ModificationFree
C-terminal ModificationFree
Linear/Cyclic/BranchedLinear
Uniprot
PDB
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID29910626

Physicochemical Properties

Residues29
SequenceKFKKLFKKLSPVIGKEFKRIVERIKRFLR
Molecular Weight3633.511
Grand Average of Hydropathy-0.5
Isoelectric Point11.625
Charge at pH 7.49.54
Secondary StructureHelix: 0.414, Turn: 0.103, Sheet: 0.172
Instability Index30.386
Aromaticity0.138

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