Peptide Database

Peptide NameHainantoxin-X-2

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC120H194N36O36S5

DescriptionStandard

        KGLPPGKPCYGATQKIPCCGVCSHNNCT
    

Molecular Weight2877.37 Da

Isoelectric Point (pI)8.76

Net Charge (pH 7.0)2.79

Net Charge (pH 7.4) 2.46

Charge Density (pH 7.0) 0.0998

GRAVY Index-0.36

Hydrophobic Moment 0.40

Boman Index0.02

Instability Index15.51

Aliphatic Index 41.79

Aromaticity 0.0357

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1740.00

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

Amino Acid Composition

TPSA 1130.79

LogP -15.47

H-bond Donors 41.0

H-bond Acceptors 45.0

Rotatable Bonds 87.0

Heavy Atoms 197.0

Ring Count 6.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0076885 VERIFIED: NO

Provenance & Taxonomy

OrganismSelenocosmia hainana [Animal]; Haplopelma hainanum [Animal]; Ornithoctonus hainana [Animal]

Structure & Mods

Configlinear disulfide-stabilized peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide9-22, 18-27

Bio-Activity Profile

Function

Toxin

TargetReversibly blocks, Cav2