Basic Information

IDDRAMP21334
SequenceSFLTTVKKLVTNLAALAGTVIDTIKCKVTGGCRT
Length34
NameRanatuerin-2Pb (Frogs, amphibians, animals)
SourceLithobates pipiens (Northern leopard frog) (Rana pipiens)
ActivityAntimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal
Pathogen[Ref.31242693] Gram-positive bacteria:Staphylococcus aureus (MIC=8 μM; MBC=8 μM), MRSA (MIC=16 μM; MBC=32 μM), Enterococcus faecalis (MIC>256 μM; MBC>256 μM);##Gram-negative bacteria: Escherichia coli (MIC=8 μM; MBC=8 μM), Pseudomonas aeruginosa (MIC>256 μM; MBC>256 μM);##Fungi: Candida albicans (MIC=8 μM; MBC=16 μM)
Hemolytic Activity[Ref.31242693] 7% hemolysis at 2 μM, 23% hemolysis at 8 μM, 50% hemolysis at 16 μM, 71% hemolysis at 32 μM, 100% hemolysis at 64 μM on horse erythrocytes.
Cytotoxicity[Ref.31242693] The IC50 values which represents the inhibitory effect of Ranatuerin-2Pb on the proliferation of NCI-H157, MCF-7, U251MG and PC-3 are 1.453 μM, 7.254 μM, 2.172 μM and 2.251 μM. In addtion, Ranatuerin-2Pb showed no inhibitory effect on the proliferation of MDA-MB-435s. DETAILED DATA: ①The cell viabillity of NCI-H157 induced by Ranatuerin-2Pb is 96.2%, 96.9%, 85.6%, 60%, 5% and 4.4% at peptide concentrations of 0.001, 0.01, 0.1, 1, 10, 100 μM, while the cell viability induced by Melittin is 100%, 95%, 89.4%, 41.2%, 16.2% and 16.2% at 0.001, 0.01, 0.1, 1, 10, 100 μM. ②The cell viability of MCF-7 induced by Ranatuerin-2Pb is 100.6%, 92.5%, 90%, 99.4%, 36.2% and 11.2% at peptide concentrations of 0.001, 0.01, 0.1, 1, 10, 100 μM, while the cell viability induced by Melittin is 100%, 98.1%, 92.5%, 7.5%, 8.7% and 8.7% at 0.001, 0.01, 0.1, 1, 10, 100 μM. ③The cell viability of U251-MG induced by Ranatuerin-2Pb is 100%, 105.6%, 108.1%, 102.5%, 59.4% and 17.5% at peptide concentrations of 0.001, 0.01, 0.1, 1, 10, 100 μM, while the cell viability induced by Melittin is 99.4%, 99.4%, 75.6%, 18.7%, 11.9% and 18.1% at 0.001, 0.01, 0.1, 1, 10, 100 μM. ④The cell viability of PC-3 induced by Ranatuerin-2Pb is 108.7%, 112.5%, 84.4%, 80.6%, 28.1% and 16.2% at peptide concentrations of 0.001, 0.01, 0.1, 1, 10, 100 μM, while the cell viability induced by Melittin is 110%, 113.1%, 109.4%, 33.1%, 16.9% and 16.2% at 0.001, 0.01, 0.1, 1, 10, 100 μM. ⑤ The cell viability of MDA-MB-435S induced by Ranatuerin-2Pb is 96.9%, 88.8%, 96.9%, 88.1%, 100 and 25.6%, while the cell viability induced by Melittin is 100%, 93.1%, 82.5%, 18.8%, 18.8% and 18.1%.
N-terminal ModificationFree
C-terminal ModificationFree
Linear/Cyclic/BranchedLinear
Uniprot A0A513ZTP5
PDB
3D View
PDB DownloadDownload PDB Predicted by Alphafold2
PubMed ID31242693

Physicochemical Properties

Residues34
SequenceSFLTTVKKLVTNLAALAGTVIDTIKCKVTGGCRT
Molecular Weight3524.202
Grand Average of Hydropathy0.594
Isoelectric Point9.698
Charge at pH 7.43.195
Secondary StructureHelix: 0.324, Turn: 0.147, Sheet: 0.206
Instability Index-13.832
Aromaticity0.029

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