General Information

    • DRAMP ID

    • DRAMP00430

    • Peptide Name

    • Defensin-like protein 1 (Cp-thionin I; Cp-thionin-1; Gamma-thionin I; Plant defensin)

    • Source

    • Vigna unguiculata (Cowpea)

    • Family

    • Belongs to the DEFL family

    • Gene

    • Not found

    • Sequence

    • RVCESQSHGFKGACTGDHNCALVCRNEGFSGGNCRGFRRRCFCTLKC

    • Sequence Length

    • 47

    • Protein Existence

    • Protein level

Activity Information

    • Biological Activity

    • Not found

    • Target Organism

    • No MICs found in DRAMP database

    • Hemolytic Activity

      • No hemolysis information or data found in the reference(s) presented in this entry

    • Cytotoxicity

      • Not included yet

    • Binding Target

    • Not found

Structure Information

    • 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

    • Bridge

    • Structure Description

    • Not found

    • Helical Wheel Diagram

    • DRAMP00430 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

    • There is no predicted structure for DRAMP00430.

Physicochemical Information

    • Formula

    • C210H333N75O63S8

    • Absent Amino Acids

    • IMPWY

    • Common Amino Acids

    • C

    • Mass

    • 5172.9

    • PI

    • 8.97

    • Basic Residues

    • 10

    • Acidic Residues

    • 3

    • Hydrophobic Residues

    • 10

    • Net Charge

    • +7

    • Boman Index

    • -122.8

    • Hydrophobicity

    • -0.457

    • Aliphatic Index

    • 33.19

    • Half Life

      • Mammalian:1 hour
      • Yeast:2 min
      • E.coli:2 min

    • Extinction Coefficient Cystines

    • 500

    • Absorbance 280nm

    • 10.87

    • Polar Residues

    • 23

DRAMP00430

DRAMP00430 chydropathy plot

Comments Information

    • Function

    • Inhibits trypsin but not chymotrypsin.

    • Subunit structure

    • Monomer and homodimer.

    • PTM

    • Contains four disulfide bonds 3-47; 14-34; 20-41; 24-43 (By similarity).

Literature Information

  • ·Literature 1

    • Title

    • Inhibition of trypsin by cowpea thionin: characterization, molecular modeling, and docking.

    • Reference

    • Proteins. 2002 Aug 1;48(2):311-319.

    • Author

    • Melo FR, Rigden DJ, Franco OL, Mello LV, Ary MB, Grossi de S¡ MF, Bloch C Jr.