Basic Information

IDDRAMP21091
SequenceRFRRLRIKTRIRLKKI
Length16
NameI4 (Derived from PRW4)
SourceSynthetic construct
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
Pathogen[Ref.25735802] Gram-positive bacteria : Staphylococcus aureus 29213(MIC=64 μM), Staphylococcus epidermidis 12228(MIC=16 μM), Enterococcus faecalis 29212(MIC=16 μM);##Gram-negative bacteria : Escherichia coli 25922(MIC=8 μM), Escherichia coli 1005(MIC=16 μM), Salmonella typhimurium 7731(MIC=16 μM)
Hemolytic Activity[Ref.25735802] MHC5>256 μM against human red blood cells
Cytotoxicity[Ref.25735802] The peptide exhibited no cytoxicity against HaCaT cells in the range of 0/25-256 μM.
N-terminal ModificationFree
C-terminal ModificationAmidation
Linear/Cyclic/BranchedLinear
Uniprot
PDB
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID25735802

Physicochemical Properties

Residues16
SequenceRFRRLRIKTRIRLKKI
Molecular Weight2153.712
Grand Average of Hydropathy-0.969
Isoelectric Point12
Charge at pH 7.48.55
Secondary StructureHelix: 0.375, Turn: 0.000, Sheet: 0.125
Instability Index41.294
Aromaticity0.062

Similar Structure Search

Candidates based on structure

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