Basic Information

IDDRAMP18193
SequenceKRFKKFFKKVKKSVKKRLKKIFKKPMVIGVTIPF
Length34
NameCathelicidin-related peptide crotalicidin
SourceCrotalus durissus terrificus (South American rattlesnake)
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
Pathogen[Ref.25100358]Gram-negative: E.coli ATCC 25922 (MIC=0.25 μg/mL),P.aeruginosa (MIC=1 μg/mL);##Gram-positive: E.faecalis (MIC=32 μg/mL), S.aureus (MIC=32 μg/mL).
Hemolytic Activity[Ref.25100358] Crotalicidin reached 10% hemolysis at 25 μM. Even so, extrapolation of existing data indicates that 50% hemolysis would be reached at near-millimolar values, which defines an adequate (~2 log) selectivity window.
CytotoxicityNo cytotoxicity information found
N-terminal ModificationFree
C-terminal ModificationAmidation
Linear/Cyclic/BranchedCyclic
Uniprot U5KJM4
PDB 2MWT resolved by NMR
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID25100358

Physicochemical Properties

Residues34
SequenceKRFKKFFKKVKKSVKKRLKKIFKKPMVIGVTIPF
Molecular Weight4152.309
Grand Average of Hydropathy-0.435
Isoelectric Point12
Charge at pH 7.414.525
Secondary StructureHelix: 0.382, Turn: 0.118, Sheet: 0.059
Instability Index4.321
Aromaticity0.147

Similar Structure Search

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