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 FormulaC614H919N163O183S16

DescriptionStandard

        NLFQFARLIDAKQEAFSFFKYISYGCYCGWGGQGTPKDATDRCCFVHDCCYARVKGCNPKLVEYSYSYRTGKIVCGGDDPCLRAVCECDRVAAICFRENMNTYDKKYMLYSIFDCKEESDQC
    

Molecular Weight14024.89 Da

Isoelectric Point (pI)6.70

Net Charge (pH 7.0)-0.28

Net Charge (pH 7.4) -0.79

Charge Density (pH 7.0) -0.0023

GRAVY Index-0.34

Hydrophobic Moment 0.63

Boman Index-0.05

Instability Index23.56

Aliphatic Index 52.79

Aromaticity 0.1557

Extinction Coeff. Reduced 20400.00

Extinction Coeff. Oxidized 21275.00

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

Amino Acid Composition

TPSA 5616.12

LogP -54.57

H-bond Donors 210.0

H-bond Acceptors 200.0

Rotatable Bonds 458.0

Heavy Atoms 976.0

Ring Count 24.0

Amide Bonds 129.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0228076 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