Peptide Database

Peptide NameSerine protease inhibitor SGPI-3

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length40 amino acids

Chemical FormulaC177H264N48O55S6

DescriptionStandard

        CTPGSRKYDGCNWCTCSSGGAWICTLKYCPPSSGGGLTFA
    

Molecular Weight4136.67 Da

Isoelectric Point (pI)8.33

Net Charge (pH 7.0)1.70

Net Charge (pH 7.4) 1.40

Charge Density (pH 7.0) 0.0424

GRAVY Index-0.12

Hydrophobic Moment 0.31

Boman Index0.13

Instability Index74.51

Aliphatic Index 34.25

Aromaticity 0.1250

Extinction Coeff. Reduced 13980.00

Extinction Coeff. Oxidized 14355.00

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

Amino Acid Composition

TPSA 1620.29

LogP -22.06

H-bond Donors 64.0

H-bond Acceptors 63.0

Rotatable Bonds 123.0

Heavy Atoms 286.0

Ring Count 10.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0050332 VERIFIED: NO

Provenance & Taxonomy

OrganismSchistocerca gregaria [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory