• DRAMP ID

    • DRAMP02521
    • Peptide Name

    • Cathelicidin-OH (Cathelicidin-related protein; Snakes, reptiles, animals)
    • Source

    • Ophiophagus hannah (King cobra) (Naja hannah)
    • Family

    • Belongs to the cathelicidin family.
    • Gene

    • Not found
    • Sequence

    • KFFKKLKNSVKKRAKKFFKKPRVIGVSIPF
    • Sequence Length

    • 30
    • Protein Existence

    • Transcript level
    • Biological Activity

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

      • [Ref.18620012]Gram-negative bacteria: Escherichia coli ATCC 25922, Escherichia coli ML-35P, Escherichia coli clinic strain, Pseudomonas aeruginosa ATCC 27853, Pseudomonas aeruginosa PA 01, Pseudomonas aeruginosa clinic strain, Enterobacter aerogenes clinic strain, Enterobacter cloacae clinic strain.
      • [Ref.22491685]Gram-positive bacteria : Staphylococcuss aureus ATCC 25923 (MIC=3.125 μg/ml), Staphylococcuss aureus ATCC 43300 MRSA (MIC=6.25 μg/ml), Staphylococcuss aureus clinical strain 1 (MIC=3.125 μg/ml), Staphylococcuss aureus clinical strain 2 (MIC=6.25 μg/ml), Staphylococcuss aureus clinical strain 3 (MIC=6.25 μg/ml), Enterococcus faecalis ATCC 29212 (MIC=25 μg/ml) ;
      • Gram-negative bacteria : Escherichia coli ATCC 25922 (MIC=6.25 μg/ml), Escherichia coli ML-35p (MIC=3.125 μg/ml), Escherichia coli clinical strain 1 (MIC=6.25 μg/ml), Escherichia coli clinical strain 2 (MIC=3.125 μg/ml), Escherichia coli clinical strain 3 (MIC=1.56 μg/ml), Escherichia coli clinical strain 4 (MIC=12.5 μg/ml), Escherichia coli clinical strain 5 (MIC=3.125 μg/ml), Escherichia coli clinical strain 6 (MIC=3.125 μg/ml), Enterobacter cloacae ATCC 13047 (MIC=25 μg/ml), Enterobacter cloacae clinical strain (MIC=3.125 μg/ml), Enterobacter aerogenes clinical strain (MIC=6.25 μg/ml), Pseudomonas aeruginosa ATCC 27853 (MIC=6.25 μg/ml), Pseudomonas aeruginosa PA 01 (MIC=6.25 μg/ml), Pseudomonas aeruginosa clinical strain 1 (MIC=12.5 μg/ml), Pseudomonas aeruginosa clinical strain 2 (MIC=6.25 μg/ml), Haemophilus influenzae ATCC 49247 (MIC=3.125 μg/ml), Haemophilus influenzae ATCC 49766 (MIC=3.125 μg/ml), Klebsiella pneumoniae ATCC 13883 (MIC=6.25 μg/ml), Klebsiella pneumoniae ATCC 700603 (MIC=3.125 μg/ml) ;
      • Fungi : Candida albicans ATCC 2002 (MIC>200 μg/ml), Candida albicans clinical strain (MIC>200 μg/ml)
    • Hemolytic Activity

      • [Ref.22491685] 3% hemolysis at 100 μg/ml , 5% hemolysis at 200 μg/ml , 6% hemolysis at 300 μg/ml , 7% hemolysis at 400 μg/ml against human red blood cells
    • Cytotoxicity

      • Not included yet
    • Binding Target

    • Cell membrane
    • Linear/Cyclic

    • Not included yet
    • N-terminal Modification

    • Not included yet
    • C-terminal Modification

    • Not included yet
    • Nonterminal Modifications and Unusual Amino Acids

    • Not included yet
    • Stereochemistry

    • Not included yet
    • Structure

    • Alpha helix
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP02521 helical wheel diagram
    • PDB ID

    • 2mwt resolved by NMR
    • Predicted Structure

    • There is no predicted structure for DRAMP02521.
    • Formula

    • C175H289N47O34
    • Absent Amino Acids

    • CDEHMQTWY
    • Common Amino Acids

    • K
    • Mass

    • 3595.51
    • PI

    • 12.07
    • Basic Residues

    • 12
    • Acidic Residues

    • 0
    • Hydrophobic Residues

    • 12
    • Net Charge

    • +12
    • Boman Index

    • -54.25
    • Hydrophobicity

    • -0.517
    • Aliphatic Index

    • 71.33
    • Half Life

      • Mammalian:1.3 hour
      • Yeast:3 min
      • E.coli:2 min
    • Extinction Coefficient Cystines

    • 0
    • Absorbance 280nm

    • 0
    • Polar Residues

    • 4

DRAMP02521

DRAMP02521 chydropathy plot
    • [Ref.22491685]Function

    • Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria, Antifungal activity agaist Candida albicans
  • ·Literature 1
    • Title

    • Identification and characterization of novel reptile cathelicidins from elapid snakes.
    • Reference

    • Peptides. 2008 Oct;29(10):1685-91.
    • Author

    • Zhao H, Gan TX, Liu XD, Jin Y, Lee WH, Shen JH, Zhang Y.
  • ·Literature 2
    • Title

    • Efficacy of OH-CATH30 and Its Analogs against Drug-ResistantBacteria In Vitro and in Mouse Models
    • Reference

    • Antimicrob Agents Chemother. 2012 Jun;56(6):3309-17. doi: 10.1128/AAC.06304-11.
    • Author

    • Sheng-An Li, Wen-Hui Lee, and Yun Zhang