Peptide Database

Peptide NameCrotoxin

Function Ontology

Enzyme / Catalytic activity ▸ Hydrolase ▸ Lipase

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length122 amino acids

Chemical FormulaC621H933N173O177S16

DescriptionStandard

        HLLQFNKMIKFETRKNAVPFYAFYGCYCGWGGQGRPKDATDRCCFVHDCCYGKLAKCNTKWDIYRYSLKSGYITCGKGTWCEEQICECDRVAAECLRRSLSTYKNGYMFYPDSRCRGPSETC
    

Molecular Weight14167.14 Da

Isoelectric Point (pI)8.74

Net Charge (pH 7.0)6.80

Net Charge (pH 7.4) 6.25

Charge Density (pH 7.0) 0.0557

GRAVY Index-0.56

Hydrophobic Moment 0.69

Boman Index-0.11

Instability Index52.50

Aliphatic Index 44.02

Aromaticity 0.1557

Extinction Coeff. Reduced 31400.00

Extinction Coeff. Oxidized 32275.00

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

Amino Acid Composition

TPSA 5685.81

LogP -56.24

H-bond Donors 217.0

H-bond Acceptors 202.0

Rotatable Bonds 460.0

Heavy Atoms 987.0

Ring Count 28.0

Amide Bonds 128.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0041489 VERIFIED: YES

Provenance & Taxonomy

OrganismCrotalus durissus terrificus [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