Peptide Database

Peptide NameKunitz-type serine protease inhibitor homolog beta-bungarotoxin B2 chain

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length61 amino acids

Chemical FormulaC309H479N99O87S7

DescriptionStandard

        RKRHPDCDKPPDTKICQTVVRAFYYKPSAKRCVQFRYGGCNGNGNHFKSDHLCRCECLEYR
    

Molecular Weight7197.18 Da

Isoelectric Point (pI)9.25

Net Charge (pH 7.0)6.95

Net Charge (pH 7.4) 6.47

Charge Density (pH 7.0) 0.1140

GRAVY Index-1.07

Hydrophobic Moment 0.73

Boman Index-0.34

Instability Index21.26

Aliphatic Index 36.72

Aromaticity 0.1148

Extinction Coeff. Reduced 5960.00

Extinction Coeff. Oxidized 6335.00

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

Amino Acid Composition

TPSA 3050.71

LogP -33.74

H-bond Donors 114.0

H-bond Acceptors 104.0

Rotatable Bonds 235.0

Heavy Atoms 502.0

Ring Count 14.0

Amide Bonds 65.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0299041 VERIFIED: YES

Provenance & Taxonomy

OrganismBungarus multicinctus [Animal]

Familyvenom Kunitz-type family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide7-57; 16-40; 32-53

Bio-Activity Profile

Function

Toxin Venom venom Kunitz-type family