Peptide Database

Peptide NameParalytic peptide Spe I

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC103H156N32O34S2

DescriptionStandard

        ENFAGGCTPGYQRTADGRCKATF
    

Molecular Weight2450.66 Da

Isoelectric Point (pI)8.14

Net Charge (pH 7.0)0.82

Net Charge (pH 7.4) 0.61

Charge Density (pH 7.0) 0.0355

GRAVY Index-0.76

Hydrophobic Moment 0.35

Boman Index-0.12

Instability Index20.55

Aliphatic Index 13.04

Aromaticity 0.1304

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1615.00

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

Amino Acid Composition

TPSA 1086.25

LogP -15.27

H-bond Donors 40.0

H-bond Acceptors 37.0

Rotatable Bonds 77.0

Heavy Atoms 171.0

Ring Count 4.0

Amide Bonds 24.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0029234 VERIFIED: NO

Provenance & Taxonomy

OrganismSpodoptera exigua [Animal]

Structure & Mods

Configlinear disulfide-stabilized peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide7-19

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0357361 VERIFIED: YES

Provenance & Taxonomy

OrganismSpodoptera exigua [Animal]

FamilyParalytic peptide

Tax ID7107

Structure & Mods

Configlinear peptide with reported disulfide constraint [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide7-19

Bio-Activity Profile

Function

-

Half-LifeMammalian: 1 hour; Yeast: 30 min; E. coli: >10 hour