Peptide Database

Peptide NameAcidic phospholipase A2 daboiatoxin B chain

Function Ontology

Enzyme / Catalytic activity ▸ Hydrolase ▸ Lipase

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length122 amino acids

Chemical FormulaC580H862N156O191S17

DescriptionStandard

        NFFQFAEMIVKMTGKEAVHSYAIYGCYCGWGGQGKPQDATDRCCFVHDCCYGTVNDCNPKMATYSYSFENGDIVCGDNNLCLKTVCECDRAAAICLGQNVNTYDKNYENYAISHCTEESEQC
    

Molecular Weight13621.08 Da

Isoelectric Point (pI)4.60

Net Charge (pH 7.0)-8.10

Net Charge (pH 7.4) -8.70

Charge Density (pH 7.0) -0.0664

GRAVY Index-0.37

Hydrophobic Moment 0.58

Boman Index0.01

Instability Index31.89

Aliphatic Index 49.59

Aromaticity 0.1230

Extinction Coeff. Reduced 18910.00

Extinction Coeff. Oxidized 19785.00

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

Amino Acid Composition

TPSA 5616.57

LogP -65.10

H-bond Donors 203.0

H-bond Acceptors 203.0

Rotatable Bonds 442.0

Heavy Atoms 944.0

Ring Count 21.0

Amide Bonds 136.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0089166 VERIFIED: YES

Provenance & Taxonomy

OrganismDaboia siamensis [Animal]

Familyphospholipase A2 family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide26-115; 28-44; 43-95; 49-122; 50-88; 57-81; 75-86

Bio-Activity Profile

Function

Toxin Venom Phospholipase A2 family Phospholipase A2