Peptide Database

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

Function Ontology

Enzyme / Catalytic activity ▸ Hydrolase ▸ Lipase

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length120 amino acids

Chemical FormulaC579H886N164O179S15

DescriptionStandard

        NLINFMEMIRYTIPCEKTWGEYADYGCYCGAGGSGRPIDALDRCCYVHDNCYGDAEKKHKCNPKTQSYSYKLTKRTIICYGAAGTCGRIVCDCDRTAALCFGNSEYIEGHKNIDTARFCQ
    

Molecular Weight13489.20 Da

Isoelectric Point (pI)7.57

Net Charge (pH 7.0)0.90

Net Charge (pH 7.4) 0.31

Charge Density (pH 7.0) 0.0075

GRAVY Index-0.47

Hydrophobic Moment 0.68

Boman Index-0.06

Instability Index19.46

Aliphatic Index 54.58

Aromaticity 0.1167

Extinction Coeff. Reduced 20400.00

Extinction Coeff. Oxidized 21150.00

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

Amino Acid Composition

TPSA 5555.12

LogP -60.64

H-bond Donors 208.0

H-bond Acceptors 198.0

Rotatable Bonds 441.0

Heavy Atoms 937.0

Ring Count 21.0

Amide Bonds 127.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0418313 VERIFIED: YES

Provenance & Taxonomy

OrganismBungarus multicinctus [Animal]

Familyphospholipase A2 family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide27-119; 29-45; 44-100; 51-93; 61-86; 79-91

Bio-Activity Profile

Function

Toxin Venom Phospholipase A2 family Phospholipase A2