Peptide Database

Peptide NameParalytic peptide Spe II

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC105H158N32O34S2

DescriptionStandard

        ENFAGGCTPGYQRTADGRCKPTF
    

Molecular Weight2476.70 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-0.91

Hydrophobic Moment 0.35

Boman Index-0.15

Instability Index17.27

Aliphatic Index 8.70

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 1077.46

LogP -14.79

H-bond Donors 39.0

H-bond Acceptors 37.0

Rotatable Bonds 76.0

Heavy Atoms 173.0

Ring Count 5.0

Amide Bonds 24.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0068967 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_0406792 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