Peptide Database

Peptide NameDefensin-like peptide 278

Function Ontology

Antimicrobial

Antimicrobial ▸ Antifungal

Standard StatusStandard

Sequence Length48 amino acids

Chemical FormulaC219H347N67O68S8

DescriptionStandard

        ARIQESTNDILKPITCNTNADCAKFCKGPIHNCVYHTCQCVPGNPHCC
    

Molecular Weight5263.03 Da

Isoelectric Point (pI)7.76

Net Charge (pH 7.0)0.98

Net Charge (pH 7.4) 0.51

Charge Density (pH 7.0) 0.0204

GRAVY Index-0.30

Hydrophobic Moment 0.65

Boman Index-0.02

Instability Index8.61

Aliphatic Index 58.96

Aromaticity 0.0417

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1990.00

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

Amino Acid Composition

TPSA 2156.77

LogP -27.51

H-bond Donors 78.0

H-bond Acceptors 80.0

Rotatable Bonds 165.0

Heavy Atoms 362.0

Ring Count 9.0

Amide Bonds 54.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0013262 VERIFIED: YES

Provenance & Taxonomy

OrganismArabidopsis thaliana [Plant]

FamilyDefensin

Tax ID3702

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfidemultiple disulfide bonds reported, sites not specified

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0178657 VERIFIED: NO

Provenance & Taxonomy

OrganismArabidopsis thaliana [Plant]

FamilyDefensin

Tax ID3702

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide16-33; 22-38; 26-40

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0184361 VERIFIED: YES

Provenance & Taxonomy

OrganismArabidopsis thaliana [Plant]

FamilyDefensin

Tax ID3702

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide4 disulfide 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/