Basic Information

IDDRAMP20975
SequenceKFFKKLKKAVKKGFKKFAKV
Length20
NameOH-CM6 (Derived from OH-CATH30)
SourceSynthetic construct
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
Pathogen[Ref.22491685] Gram-positive bacteria : Staphylococcuss aureus ATCC 25923 (MIC=12.5 μg/ml), Staphylococcuss aureus ATCC 43300 MRSA (MIC=3.125 μg/ml), Staphylococcuss aureus clinical strain 1 (MIC=6.25 μg/ml), Staphylococcuss aureus clinical strain 2 (MIC=3.125 μg/ml), Staphylococcuss aureus clinical strain 3 (MIC=12.5 μg/ml), Enterococcus faecalis ATCC 29212 (MIC=25 μg/ml) ;##Gram-negative bacteria : Escherichia coli ATCC 25922 (MIC=12.5 μg/ml), Escherichia coli ML-35p (MIC=6.25 μg/ml), Escherichia coli clinical strain 1 (MIC=12.5 μg/ml), Escherichia coli clinical strain 2 (MIC=3.125 μg/ml), Escherichia coli clinical strain 3 (MIC=1.56 μg/ml), Escherichia coli clinical strain 4 (MIC=12.5 μg/ml), Escherichia coli clinical strain 5 (MIC=6.25 μg/ml), Escherichia coli clinical strain 6 (MIC=3.125 μg/ml), Enterobacter cloacae ATCC 13047 (MIC>100 μg/ml), Enterobacter cloacae clinical strain (MIC>100 μg/ml), Enterobacter aerogenes clinical strain (MIC>100 μg/ml), Pseudomonas aeruginosa ATCC 27853 (MIC=12.5 μg/ml), Pseudomonas aeruginosa PA 01 (MIC=12.5 μg/ml), Pseudomonas aeruginosa clinical strain 1 (MIC=12.5 μg/ml), Pseudomonas aeruginosa clinical strain 2 (MIC=6.25 μg/ml), Haemophilus influenzae ATCC 49247 (MIC=3.125 μg/ml), Haemophilus influenzae ATCC 49766 (MIC=6.25 μg/ml), Klebsiella pneumoniae ATCC 13883 (MIC=6.25 μg/ml), Klebsiella pneumoniae ATCC 700603 (MIC=3.125 μg/ml) ;##Fungi : Candida albicans ATCC 2002 (MIC>200 μg/ml), Candida albicans clinical strain (MIC>200 μg/ml)
Hemolytic Activity[Ref.22491685] 13% hemolysis at 100 μg/ml , 17% hemolysis at 200 μg/ml , 18% hemolysis at 300 μg/ml , 18.5% hemolysis at 400 μg/ml against human red blood cells
Cytotoxicity[Ref.22491685] The cell viability of HaCaT cell lines is 76%, 62% and 53% at peptide concentrations of 50, 100, 200 μg/ml. In Kunming mice, the LD50 of OH-CATH30 is 120 mg/kg for i.p. injection, while those of pexiganan(control 1) and PMB(control 2) are
N-terminal ModificationFree
C-terminal ModificationFree
Linear/Cyclic/BranchedLinear
Uniprot
PDB
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PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID22491685

Physicochemical Properties

Residues20
SequenceKFFKKLKKAVKKGFKKFAKV
Molecular Weight2399.06
Grand Average of Hydropathy-0.62
Isoelectric Point10.954
Charge at pH 7.49.532
Secondary StructureHelix: 0.350, Turn: 0.050, Sheet: 0.150
Instability Index-23.95
Aromaticity0.2

Similar Structure Search

Candidates based on structure

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