Peptide Database

Peptide NameHainantoxin-X-3

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC130H204N36O39S5

DescriptionStandard

        KYLPPGKPCYEATQKIPCCGVCSHNNCT
    

Molecular Weight3055.55 Da

Isoelectric Point (pI)8.40

Net Charge (pH 7.0)1.80

Net Charge (pH 7.4) 1.46

Charge Density (pH 7.0) 0.0641

GRAVY Index-0.50

Hydrophobic Moment 0.50

Boman Index-0.03

Instability Index21.91

Aliphatic Index 41.79

Aromaticity 0.0714

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 1188.32

LogP -13.92

H-bond Donors 43.0

H-bond Acceptors 47.0

Rotatable Bonds 92.0

Heavy Atoms 210.0

Ring Count 7.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0388409 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