General Information

    • DRAMP ID

    • DRAMP00995

    • Peptide Name

    • IB-AMP2 (IBAMP2; Basic peptide AMP2; Plants)

    • Source

    • Impatiens balsamina (Balsam)

    • Family

    • Not found

    • Gene

    • Not found

    • Sequence

    • QYGRRCCNWGPGRRYCKRWC

    • Sequence Length

    • 20

    • Protein Existence

    • Protein level

Activity Information

    • Biological Activity

    • Antimicrobial, Antifungal

    • Target Organism

      • Fungi: Alternaria longipes (IC50=12 µg/ml), Botrytis cinerea (IC50=25 µg/ml), Cladosporium sphaerospermum (IC50=6 µg/ml), Fusarium culmorum (IC50=6 µg/ml), Penicillium digitatum (IC50=6 µg/ml), Trichoderma viride (IC50=12 µg/ml), Verticillium alboatrum (IC50=12 µg/ml).

    • 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

    • DRAMP00995 helical wheel diagram

    • PDB ID

    • None

    • Predicted Structure

    • There is no predicted structure for DRAMP00995.

Physicochemical Information

    • Formula

    • C108H162N40O25S4

    • Absent Amino Acids

    • ADEFHILMSTV

    • Common Amino Acids

    • R

    • Mass

    • 2548.97

    • PI

    • 9.93

    • Basic Residues

    • 6

    • Acidic Residues

    • 0

    • Hydrophobic Residues

    • 2

    • Net Charge

    • +6

    • Boman Index

    • -80.01

    • Hydrophobicity

    • -1.53

    • Aliphatic Index

    • 0

    • Half Life

      • Mammalian:0.8 hour
      • Yeast:10 min
      • E.coli:>10 hour

    • Extinction Coefficient Cystines

    • 14230

    • Absorbance 280nm

    • 748.95

    • Polar Residues

    • 10

DRAMP00995

DRAMP00995 chydropathy plot

Comments Information

    • Developmental stage

    • Highly expressed in dry mature seed and by the stages 2-5 of developing seed.

    • PTM

    • Contains two disulfide bonds C6-C16; C7-C20 and Pyrrolidone carboxylic acid at position 1 (Probable).

Literature Information

  • ·Literature 1

    • Title

    • A novel family of small cysteine-rich antimicrobial peptides from seed of Impatiens balsamina is derived from a single precursor protein.

    • Reference

    • J Biol Chem. 1997 Sep 26;272(39):24480-24487.

    • Author

    • Tailor RH, Acland DP, Attenborough S, Cammue BP, Evans IJ, Osborn RW, Ray JA, Rees SB, Broekaert WF.