Peptide Database

Peptide NameKazal-type serine protease inhibitor I

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length45 amino acids

Chemical FormulaC206H316N60O69S5

DescriptionStandard

        CIQVCPDHYGPVCGSDDNSYDNHCLLHRHACLTVSSKTISAFTST
    

Molecular Weight4897.40 Da

Isoelectric Point (pI)5.99

Net Charge (pH 7.0)-1.94

Net Charge (pH 7.4) -2.42

Charge Density (pH 7.0) -0.0431

GRAVY Index-0.18

Hydrophobic Moment 0.34

Boman Index0.04

Instability Index55.01

Aliphatic Index 67.11

Aromaticity 0.0667

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3230.00

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

Amino Acid Composition

TPSA 2050.01

LogP -27.32

H-bond Donors 76.0

H-bond Acceptors 76.0

Rotatable Bonds 152.0

Heavy Atoms 340.0

Ring Count 9.0

Amide Bonds 47.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0143753 VERIFIED: NO

Provenance & Taxonomy

OrganismSagmariasus verreauxi [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory