Peptide Database

Peptide NameSerine proteinase inhibitor PI-5

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC153H248N52O53S6

DescriptionStandard

        QVNCTPGTTFQDRCNTCRCSSNGRSAACTLKACPGFG
    

Molecular Weight3856.31 Da

Isoelectric Point (pI)8.70

Net Charge (pH 7.0)2.70

Net Charge (pH 7.4) 2.41

Charge Density (pH 7.0) 0.0730

GRAVY Index-0.41

Hydrophobic Moment 0.44

Boman Index-0.12

Instability Index66.13

Aliphatic Index 26.49

Aromaticity 0.0541

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 375.00

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

Amino Acid Composition

TPSA 1719.65

LogP -29.35

H-bond Donors 66.0

H-bond Acceptors 62.0

Rotatable Bonds 122.0

Heavy Atoms 264.0

Ring Count 4.0

Amide Bonds 41.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0290814 VERIFIED: NO

Provenance & Taxonomy

OrganismLocusta migratoria [Animal]

Tax ID7004

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory