Basic Information

IDDRAMP20968
SequenceMMRVMRRKTKVIWEKKDFIGLYSID
Length25
NameCatesbeianin-1 (Ranidae, Anura, Amphibia, Animals)
SourceLithobates catesbeiana (American bullfrog) (Rana catesbeiana)
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
Pathogen[Ref.28258530] Gram-positive bacteria : Staphylococcus aureus ATCC 25923 (MIC=3.1 μg/ml;MBC=6.3 μg/ml), B. subtilis ATCC6633 (MIC=25 μg/ml;MBC=50 μg/ml), Streptococcus suis CVCC606 (MIC=3.1 μg/ml;MBC=12.5 μg/ml), Listeria monocytogenes ATCC19115 (MIC=12.5 μg/ml;MBC=25 μg/ml);##Gram-negative bacteria : Escherichia coli ATCC 25922 (MIC=3.1 μg/ml;MBC=12.5 μg/ml), Pseudomonas aeruginosa ATCC227853 (MIC=12.5 μg/ml;MBC=25 μg/ml), Salmonella spp. CVCC 3377 (MIC=6.3 μg/ml;MBC=25 μg/ml), Klebsiella pneumoniae H507 (MIC=25 μg/ml;MBC=100 μg/ml)
Hemolytic Activity[Ref.28258530] 0% hemolysis at 0 μg/ml , hemolysis 3% at 25 μg/ml , 7% hemolysis at 50 μg/ml , 8% hemolysis at 100 μg/ml , 35% hemolysis at 200 μg/ml , 50% hemolysis at 300 μg/ml , 85% hemolysis at 400 μg/ml , 95% hemolysis at 500 μg/ml against human red blood cells
Cytotoxicity[Ref.28258530] The cell viability of HEK293T cells is 102%, 103%, 103%, 100%, 98% and 85% at peptide concentrations of 0, 20, 40, 60, 80 and 100 μg/ml. ##The cell viability of HL-7200 cells is 107%, 106%, 99%, 95% and 88% at peptide concentrations of 0,
N-terminal ModificationFree
C-terminal ModificationFree
Linear/Cyclic/BranchedLinear
Uniprot C5IAX4
PDB
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID28258530

Physicochemical Properties

Residues25
SequenceMMRVMRRKTKVIWEKKDFIGLYSID
Molecular Weight3144.82
Grand Average of Hydropathy-0.38
Isoelectric Point10.161
Charge at pH 7.43.276
Secondary StructureHelix: 0.360, Turn: 0.080, Sheet: 0.200
Instability Index18.916
Aromaticity0.12

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