Basic Information

IDDRAMP21461
SequenceIHKFWRPGRWFKHI
Length14
NamePP (De Novo Synthesis)
Sourcesynthetic construct
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
Pathogen[Ref.30538681] Gram-positive bacteria:Staphylococcus aureus ATCC 29213(MIC=16μM), Staphylococcus aureus ATCC 43300(MIC=16μM), Staphylococcus epidermidis ATCC 12228(MIC=16μM), Streptococci faecalis ATCC 29212(MIC=8μM), Bacillus subtilis CMCC 63501(MIC=8μM);##Gram-negative bacteria:Escherichia coli ATCC 25922(MIC=8μM), Escherichia coli UB 1005(MIC=4μM), bacteria pyocyaneum ATCC 27853(MIC=4μM), Salmonella typhimurium ATCC 7731(MIC=8μM), Salmonella Pulloru C79-13(MIC=4μM)
Hemolytic Activity[Ref.30538681] MHC>128μM against human blood cells.The minimum hemolytic concentration (MHC) is defined as the peptide concentration resulting in 5% hemolysis.
Cytotoxicity[Ref.30538681] The cell viability of intestinal epithelial cells (IPEC-J2) induced by PP is 67.7%, 69.1%, 70.5%, 65.4%, 61.3%, 65.0%, 70.5% and 68.7% 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
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PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID30538681

Physicochemical Properties

Residues14
SequenceIHKFWRPGRWFKHI
Molecular Weight1908.259
Grand Average of Hydropathy-0.886
Isoelectric Point12
Charge at pH 7.43.626
Secondary StructureHelix: 0.429, Turn: 0.143, Sheet: 0.000
Instability Index110.336
Aromaticity0.286

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