Peptide Database

Peptide NameCrotoxin chain beta CA2, CA3 and CA4

Function Ontology

Enzyme / Catalytic activity ▸ Hydrolase ▸ Lipase

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC149H236N42O60S6

DescriptionStandard

        QEDGEIVCGEDDPCGTQICECDKAAAICFRNSMDT
    

Molecular Weight3768.10 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-7.27

Net Charge (pH 7.4) -7.56

Charge Density (pH 7.0) -0.2078

GRAVY Index-0.43

Hydrophobic Moment 0.42

Boman Index-0.07

Instability Index33.12

Aliphatic Index 50.29

Aromaticity 0.0286

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 250.00

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

Amino Acid Composition

TPSA 1657.51

LogP -21.83

H-bond Donors 59.0

H-bond Acceptors 59.0

Rotatable Bonds 126.0

Heavy Atoms 257.0

Ring Count 2.0

Amide Bonds 37.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0218520 VERIFIED: YES

Provenance & Taxonomy

OrganismCrotalus durissus terrificus [Animal]

Familyphospholipase A2 family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermPyroglutamate

Disulfide8-19

Bio-Activity Profile

Function

Toxin Venom Phospholipase A2 family Phospholipase A2