Peptide Database

Peptide NameKazal-type serine protease inhibitor II

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length45 amino acids

Chemical FormulaC224H324N66O67S6

DescriptionStandard

        CIQVCPDHYGPVCGSDDNSYDNHCLLHRHACLTEEHIRVHYFGFC
    

Molecular Weight5205.76 Da

Isoelectric Point (pI)5.73

Net Charge (pH 7.0)-3.77

Net Charge (pH 7.4) -4.37

Charge Density (pH 7.0) -0.0838

GRAVY Index-0.33

Hydrophobic Moment 0.46

Boman Index0.02

Instability Index80.11

Aliphatic Index 64.89

Aromaticity 0.1111

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 2096.47

LogP -20.91

H-bond Donors 77.0

H-bond Acceptors 75.0

Rotatable Bonds 160.0

Heavy Atoms 363.0

Ring Count 13.0

Amide Bonds 47.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0387104 VERIFIED: NO

Provenance & Taxonomy

OrganismSagmariasus verreauxi [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory