Peptide Database

Peptide NameNeurotoxin B-IV

Function Ontology

Annotation / Sequence feature ▸ Nuclear export signal

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length55 amino acids

Chemical FormulaC258H420N84O72S8

DescriptionStandard

        ASATWGAAYPACENNCRKKYDLCIRCQGKWAGKRGKCAAHCIIQKNNCKGKCKKE
    

Molecular Weight6107.13 Da

Isoelectric Point (pI)9.51

Net Charge (pH 7.0)9.80

Net Charge (pH 7.4) 9.42

Charge Density (pH 7.0) 0.1783

GRAVY Index-0.82

Hydrophobic Moment 0.49

Boman Index-0.24

Instability Index11.67

Aliphatic Index 42.91

Aromaticity 0.0727

Extinction Coeff. Reduced 13980.00

Extinction Coeff. Oxidized 14480.00

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

Amino Acid Composition

TPSA 2583.45

LogP -29.98

H-bond Donors 98.0

H-bond Acceptors 91.0

Rotatable Bonds 210.0

Heavy Atoms 422.0

Ring Count 8.0

Amide Bonds 60.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0379628 VERIFIED: YES

Provenance & Taxonomy

OrganismCerebratulus lacteus [Animal]

Familyworm B-toxin family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide12-48; 16-52; 23-41; 26-37

Other Mods10-Pro: Hydroxyproline

Bio-Activity Profile

Function

Toxin Venom worm B-toxin family Pathogenesis-associated