Peptide Database

Peptide NameDefensin-like protein 193 (Trypsin inhibitor ATTI-2; Plant defensin)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antifungal

Standard StatusStandard

Sequence Length63 amino acids

Chemical FormulaC284H446N88O84S9

DescriptionStandard

        QGSKCLKEYGGNVGFSYCAPRIFPSFCYRNCRKNKGAKGGRCRSGGAGAGSMICLCDYCSDKP
    

Molecular Weight6725.70 Da

Isoelectric Point (pI)9.30

Net Charge (pH 7.0)7.68

Net Charge (pH 7.4) 7.34

Charge Density (pH 7.0) 0.1218

GRAVY Index-0.50

Hydrophobic Moment 0.55

Boman Index-0.11

Instability Index27.74

Aliphatic Index 35.71

Aromaticity 0.1111

Extinction Coeff. Reduced 5960.00

Extinction Coeff. Oxidized 6460.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 2793.33

LogP -36.70

H-bond Donors 107.0

H-bond Acceptors 101.0

Rotatable Bonds 222.0

Heavy Atoms 465.0

Ring Count 10.0

Amide Bonds 66.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0139927 VERIFIED: YES

Provenance & Taxonomy

OrganismArabidopsis thaliana [Plant]

FamilyDefensin

Tax ID3702

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideDisulfide bond(s) reported

Bio-Activity Profile

Function

Antimicrobial Antifungal

PaperTwo large Arabidopsis thaliana gene families are homologous to the Brassica gene superfamily that encodes pollen coat proteins and the male component of the self-incompatibility response. Plant Mol Biol. 2001 May;46(1):17-34. doi: 10.1023/a:1010664704926. PMID: 11437247. | Genome organization of more than 300 defensin-like genes in Arabidopsis. Plant Physiol. 2005 Jun;138(2):600-10. doi: 10.1104/pp.105.060079. PMID: 15955924. PMID11437247;15955924 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/11437247/