Peptide Database

Peptide NameU2-segestritoxin-Sf1b (U2-SGTX-Sf1b; F5.7; Toxin SFI 2)

Function Ontology

Insecticidal/Pest control ▸ Insecticidal activity

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC87H144N24O25S

DescriptionStandard

        QDFMKHLDKKTQTPKL
    

Molecular Weight1958.29 Da

Isoelectric Point (pI)9.53

Net Charge (pH 7.0)1.85

Net Charge (pH 7.4) 1.58

Charge Density (pH 7.0) 0.1153

GRAVY Index-1.47

Hydrophobic Moment 0.54

Boman Index-0.37

Instability Index1.38

Aliphatic Index 48.75

Aromaticity 0.0625

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 825.03

LogP -7.01

H-bond Donors 27.0

H-bond Acceptors 29.0

Rotatable Bonds 69.0

Heavy Atoms 137.0

Ring Count 3.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0343774 VERIFIED: YES

Provenance & Taxonomy

OrganismSegestria florentina [Animal]

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitystereochemistry not specified [Other]

Bio-Activity Profile

Function

Insecticidal

TargetHeliothis virescens

Activity7 μg/g

MethodLD50