• DRAMP ID

    • DRAMP20968
    • Peptide Name

    • Catesbeianin-1 (Ranidae, Anura, Amphibia, Animals)
    • Source

    • Lithobates catesbeiana (American bullfrog) (Rana catesbeiana)
    • Family

    • Not found
    • Gene

    • Not found
    • Sequence

    • MMRVMRRKTKVIWEKKDFIGLYSID
    • Sequence Length

    • 25
    • Protein Existence

    • Transcript level
    • Biological Activity

    • Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
    • Target Organism

      • [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,
    • Binding Target

    • Not found
    • Linear/Cyclic

    • Linear
    • N-terminal Modification

    • Free
    • C-terminal Modification

    • Free
    • Nonterminal Modifications and Unusual Amino Acids

    • None
    • Stereochemistry

    • L
    • Structure

    • Alpha helix
    • Structure Description

    • Catesbeianin-1 is an amphi pathic a-helix and that the helical wheel is divided into two parts, namely, a hydrophobic face and a hydro philic face.
    • Helical Wheel Diagram

    • DRAMP20968 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • There is no predicted structure for DRAMP20968.
    • Formula

    • C142H235N39O35S3
    • Absent Amino Acids

    • ACHNPQ
    • Common Amino Acids

    • K
    • Mass

    • 3144.85
    • PI

    • 10.16
    • Basic Residues

    • 7
    • Acidic Residues

    • 3
    • Hydrophobic Residues

    • 8
    • Net Charge

    • +4
    • Boman Index

    • -5626
    • Hydrophobicity

    • -0.38
    • Aliphatic Index

    • 85.6
    • Half Life

      • Mammalian:30 hour
      • Yeast:>20 hour
      • E.coli:>10 hour
    • Extinction Coefficient Cystines

    • 6990
    • Absorbance 280nm

    • 291.25
    • Polar Residues

    • 4

DRAMP20968

DRAMP20968 chydropathy plot
    • Function

    • Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria
  • ·Literature 1
    • Title

    • Catesbeianin-1, a novel antimicrobial peptide isolatedfrom the skin of Lithobates catesbeianus (American bullfrog)
    • Reference

    • Biotechnol Lett. 2017 Jun;39(6):897-903. doi: 10.1007/s10529-017-2312-7.
    • Author

    • Huihui Xu . Yang Zhang . Xin Feng . Kunyuan Tie . Yuan Cao . Wenyu Han