General Information

    • DRAMP ID

    • DRAMP21256

    • Peptide Name

    • WL2 (Derived from CP-1)

    • Source

    • Synthetic construct

    • Family

    • Not found

    • Gene

    • Not found

    • Sequence

    • WLSKTAKKLWLSKTAKKL

    • Sequence Length

    • 18

    • UniProt Entry

    • No entry found

    • Protein Existence

    • Synthetic form

Activity Information

    • Biological Activity

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

    • Target Organism

      • [Ref.29266746] Gram-positive bacteria : Staphylococcus aureus ATCC 29213(MIC=128 μM), Staphylococcus aureus ATCC 43300(MIC=128 μM), Staphylococcus epidermidis ATCC 12228(MIC=128 μM), Bacillus subtilis CMCC 63501(MIC=64 μM);
      • Gram-negative bacteria : Escherichia coli ATCC25922(MIC=8 μM), Escherichia coli UB1005(MIC=8 μM), Pseudomonas aeruginosa ATCC 27853(MIC=16 μM), Salmonella typhimurium ATCC 7731(MIC=32 μM), Salmonella pullorum C79-13(MIC=16 μM)

    • Hemolytic Activity

      • [Ref.29266746] MHC5>128 μM against human red blood cells

    • Cytotoxicity

      • [Ref.29266746] The cell viability of IPEC-J2 cells induced by WL2 is 99.0%, 95.0%, 89%, 89.8%, 85.2%, 86.8% and 75.1% at peptide concentrations of 2, 4, 8, 16, 32, 64 and 128 μM. The cell viability of IPEC-J2 cells induced by the control Melittin is 77.

    • Binding Target

    • Not found

Structure Information

    • Linear/Cyclic

    • Linear

    • N-terminal Modification

    • Free

    • C-terminal Modification

    • Amidation

    • Nonterminal Modifications and Unusual Amino Acids

    • None

    • Stereochemistry

    • L

    • Structure

    • Random coil, alpha helix

    • Structure Description

    • Not found

    • Helical Wheel Diagram

    • DRAMP21256 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

    • There is no predicted structure for DRAMP21256.

Physicochemical Information

    • Formula

    • C102H172N26O23

    • Absent Amino Acids

    • CDEFGHIMNPQRVY

    • Common Amino Acids

    • K

    • Mass

    • 2130.65

    • PI

    • 10.7

    • Basic Residues

    • 6

    • Acidic Residues

    • 0

    • Hydrophobic Residues

    • 8

    • Net Charge

    • +6

    • Boman Index

    • -1728

    • Hydrophobicity

    • -0.522

    • Aliphatic Index

    • 97.78

    • Half Life

      • Mammalian:2.8 hour
      • Yeast:3 min
      • E.coli:2 min

    • Extinction Coefficient Cystines

    • 11000

    • Absorbance 280nm

    • 647.06

    • Polar Residues

    • 4

DRAMP21256

DRAMP21256 chydropathy plot

Comments Information

    • Function

    • Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria

Literature Information

  • ·Literature 1

    • Title

    • Antibacterial activities and molecular mechanism of amino-terminal fragments from pig nematode antimicrobial peptide CP-1.

    • Reference

    • Chem Biol Drug Des. 2018 May;91(5):1017-1029. doi: 10.1111/cbdd.13165.

    • Author

    • Dong N, Wang Z, Chou S, Zhang L, Shan A, Jiang J