Peptide Database

Peptide NameHainantoxin-II-20

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC177H298N50O53S7

DescriptionStandard

        LFECSVSCEIEKEGNKDCKKKKCKGGWKCKSNMCVKV
    

Molecular Weight4199.02 Da

Isoelectric Point (pI)9.02

Net Charge (pH 7.0)4.70

Net Charge (pH 7.4) 4.39

Charge Density (pH 7.0) 0.1271

GRAVY Index-0.74

Hydrophobic Moment 0.54

Boman Index-0.26

Instability Index50.87

Aliphatic Index 44.59

Aromaticity 0.0541

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5875.00

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

Amino Acid Composition

TPSA 1720.28

LogP -17.94

H-bond Donors 65.0

H-bond Acceptors 65.0

Rotatable Bonds 154.0

Heavy Atoms 287.0

Ring Count 3.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0005709 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]

Disulfide4-18, 8-29, 23-34

Bio-Activity Profile

Function

Toxin