Peptide Database

Peptide NameKunitz-type serine protease inhibitor textilinin-1

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length59 amino acids

Chemical FormulaC291H432N76O94S6

DescriptionStandard

        KDRPDFCELPADTGPCRVRFPSFYYNPDEKKCLEFIYGGCEGNANNFITKEECESTCAA
    

Molecular Weight6691.39 Da

Isoelectric Point (pI)4.58

Net Charge (pH 7.0)-4.28

Net Charge (pH 7.4) -4.60

Charge Density (pH 7.0) -0.0726

GRAVY Index-0.71

Hydrophobic Moment 0.42

Boman Index-0.11

Instability Index37.63

Aliphatic Index 38.14

Aromaticity 0.1356

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4845.00

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

Amino Acid Composition

TPSA 2741.45

LogP -28.98

H-bond Donors 97.0

H-bond Acceptors 96.0

Rotatable Bonds 213.0

Heavy Atoms 467.0

Ring Count 13.0

Amide Bonds 62.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0155057 VERIFIED: YES

Provenance & Taxonomy

OrganismPseudonaja textilis textilis [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