Peptide Database

Peptide NameU2-ctenitoxin-Cs1a (U1-CNTX-Cs2a; Neurotoxic enhancer CSTX-13; U1-ctenitoxin-Cs2a; Fragments)

Function Ontology

Insecticidal/Pest control ▸ Insecticidal activity

Standard StatusStandard

Sequence Length63 amino acids

Chemical FormulaC310H494N92O97S9

DescriptionStandard

        SDCTLRNHDCTDDRHSCCRSKMFKDVCTCFYPSQAKKELCTCQQPKHLKYIEKGLQKAKDYAT
    

Molecular Weight7350.38 Da

Isoelectric Point (pI)8.66

Net Charge (pH 7.0)3.64

Net Charge (pH 7.4) 3.14

Charge Density (pH 7.0) 0.0578

GRAVY Index-0.97

Hydrophobic Moment 0.72

Boman Index-0.30

Instability Index83.73

Aliphatic Index 40.32

Aromaticity 0.0794

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4970.00

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

Amino Acid Composition

TPSA 3112.47

LogP -36.20

H-bond Donors 116.0

H-bond Acceptors 113.0

Rotatable Bonds 250.0

Heavy Atoms 508.0

Ring Count 10.0

Amide Bonds 67.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0265836 VERIFIED: YES

Provenance & Taxonomy

OrganismCupiennius salei [Animal]

Structure & Mods

Configtopology not specified [Not included yet]

Chiralitystereochemistry not specified [Other]

Bio-Activity Profile

Function

Insecticidal

TargetFly

Activity16.3 pmol/mg

MethodLD50