Basic Information

IDDRAMP20777
SequenceKRFKKFFRKLKKSVKKRAKEFFKKPRVIGVSIPF
Length34
NameCath-BF
SourceBungarus fasciatus (Banded krait)
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
Pathogen[Ref.29392557] Gram-positive bacteria: MRSA PS-2 (MIC=64 μg/ml);##Gram-negative bacteria, MRSA PS-7 (MIC=64 μg/ml), MRSA PS-18 (MIC=64 μg/ml), MRSA PS-45 (MIC=64 μg/ml), MRSA PS-46 (MIC=128 μg/ml), MRSA PS-50 (MIC=64 μg/ml), MRSA PS-59 (MIC=128 μg/ml), MRSA PS-70 (MIC=32 μg/ml), MRSA PS-84 (MIC=128 μg/ml), MRSA PS-106 (MIC=128 μg/ml), MRSA PS-131 (MIC=64 μg/ml), MRSA PS-139 (MIC=64 μg/ml), MRSA PS-162 (MIC=64 μg/ml), MRSA PS-165 (MIC=32 μg/ml), Staphylococcus aureus ATCC 25923 (MIC=16 μg/ml), Staphylococcus aureus ATCC 33591 (MIC=256 μg/ml);##Gram-negative bacteria: Escherichia coli ATCC 25922 (MIC=8 μg/ml), Escherichia coli ATCC 51446 (MIC=16 μg/ml), Klebsiella pneumoniae ATCC 700603 (MIC=32 μg/ml), Klebsiella pneumoniae ATCC 13883 (MIC=4 μg/ml)
Hemolytic Activity[Ref.29392557] 5% haemolysis at 1.0 μg/ml, 5% haemolysis at 2.0 μg/ml, 5% haemolysis at 4.0 μg/ml, 5% haemolysis at 8.0 μg/ml, 7% haemolysis at 16.0 μg/ml, 9% haemolysis at 31.2 μg/ml, 13% haemolysis at 62.5 μg/ml, 17% haemolysis at 125.0 μg/ml, 19% haemolysis at 250.0 μg/ml, 23% haemolysis at 500.0 μg/ml, 24% haemolysis at 1000.0 μg/ml against human red blood cells
Cytotoxicity[Ref.29392557] The cell viability of HUVEC at the peptide concentration of 35.5 μg/ml, 71 μg/ml and 113 μg/ml is 127%, 100% and 76%. ##The cell viability of H9c2 at the peptide concentration of 35.5, 71, and 113 μg/ml is 132, 100, and 80%.
N-terminal ModificationFree
C-terminal ModificationFree
Linear/Cyclic/BranchedLinear
Uniprot
PDB
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID29392557

Physicochemical Properties

Residues34
SequenceKRFKKFFRKLKKSVKKRAKEFFKKPRVIGVSIPF
Molecular Weight4198.19
Grand Average of Hydropathy-0.753
Isoelectric Point12
Charge at pH 7.413.531
Secondary StructureHelix: 0.353, Turn: 0.147, Sheet: 0.088
Instability Index14.582
Aromaticity0.176

Similar Structure Search

Candidates based on structure

Address: No.2699 Qianjin Street, Changchun City, China. Zip Code: 130012. 苏ICP备2021057230号-1.