Peptide Database

Peptide NameKunitz-type serine protease inhibitor IX

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length65 amino acids

Chemical FormulaC315H482N96O93S6

DescriptionStandard

        KNRPTFCNLLPETGRCNALIPAFYYNSHLHKCQKFNYGGCGGNANNFKTIDECQRTCAAKYGRSS
    

Molecular Weight7294.17 Da

Isoelectric Point (pI)9.22

Net Charge (pH 7.0)5.87

Net Charge (pH 7.4) 5.46

Charge Density (pH 7.0) 0.0904

GRAVY Index-0.73

Hydrophobic Moment 0.59

Boman Index-0.13

Instability Index41.53

Aliphatic Index 43.69

Aromaticity 0.1231

Extinction Coeff. Reduced 5960.00

Extinction Coeff. Oxidized 6335.00

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

Amino Acid Composition

TPSA 3099.74

LogP -38.68

H-bond Donors 112.0

H-bond Acceptors 107.0

Rotatable Bonds 237.0

Heavy Atoms 510.0

Ring Count 13.0

Amide Bonds 74.0

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_0062835 VERIFIED: YES

Provenance & Taxonomy

OrganismBungarus fasciatus [Animal]

Familyvenom Kunitz-type family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide7-57; 16-40; 32-53

Bio-Activity Profile

Function

Toxin Venom venom Kunitz-type family