Basic Information

IDDRAMP21012
SequenceKILRGVCKKIMRTFLRRISKDILTGKK
Length27
NameNK-2 (Mammals, Animals)
SourceMammal
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal, Antitumor
Pathogen[Ref.29043494]Gram-positive bacteria : Staphylococcus aureus (MIC=2 μM), Staphylococcus epidermidis (MIC=2 μM);##Gram-negative bacteria : Escherichia coli (MIC=4 μM), Pseudomonas aeruginosa (MIC=8 μM)
Hemolytic Activity[Ref.29043494] 2.5% hemolysis at 10 μg/ml , 8% hemolysis at 25 μg/ml , 22% hemolysis at 50 μg/ml , 32.5% hemolysis at 75 μg/ml , 36% hemolysis at 150 μg/ml , 38% hemolysis at 300 μg/ml against human red blood cells
Cytotoxicity[Ref.29043494] IC50 = 25.1 μM against NK-2. ##IC50 = 8.4 μM against EJ. ##IC50 = 4.1 μM against PC-3. ##IC50 = 10.1 μM against T24. ##IC50 = 13.7 μM against HL-60. ##The proliferation inhibition activity on K562 is not significant.
N-terminal ModificationFree
C-terminal ModificationAmidation
Linear/Cyclic/BranchedLinear
Uniprot
PDB
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PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID29043494

Physicochemical Properties

Residues27
SequenceKILRGVCKKIMRTFLRRISKDILTGKK
Molecular Weight3203.014
Grand Average of Hydropathy-0.263
Isoelectric Point11.605
Charge at pH 7.48.518
Secondary StructureHelix: 0.333, Turn: 0.111, Sheet: 0.148
Instability Index45.433
Aromaticity0.037

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