Peptide Database

Peptide Namedelta-Missulenatoxin-Mb1a

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC210H320N56O62S10

DescriptionStandard

        CAKKREWCAKTEDCCCPMKCIYAWYNEQSSCQTTFSGMFKKC
    

Molecular Weight4941.78 Da

Isoelectric Point (pI)8.48

Net Charge (pH 7.0)2.68

Net Charge (pH 7.4) 2.35

Charge Density (pH 7.0) 0.0639

GRAVY Index-0.57

Hydrophobic Moment 0.38

Boman Index-0.14

Instability Index56.50

Aliphatic Index 16.43

Aromaticity 0.1429

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 1937.54

LogP -20.07

H-bond Donors 76.0

H-bond Acceptors 75.0

Rotatable Bonds 163.0

Heavy Atoms 338.0

Ring Count 9.0

Amide Bonds 44.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0139990 VERIFIED: NO

Provenance & Taxonomy

OrganismMissulena bradleyi [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide1-15; 8-20; 14-31; 16-42

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0433228 VERIFIED: YES

Provenance & Taxonomy

OrganismMissulena bradleyi [Animal]

Structure & Mods

Bio-Activity Profile

Function

Neurotoxin Voltage-gated sodium-channel modulator

Targetvertebrate voltage-gated sodium channels; chick biventer cervicis neuromuscular preparation

Activityactive qualitative

Methodchick biventer cervicis nerve-muscle bioassay