Peptide Database

Peptide NameSerine proteinase inhibitor PI-8

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC146H240N44O53S6

DescriptionStandard

        SASHCTPNTTFQKDCNTCTCNKDGTAAVCTLKACL
    

Molecular Weight3652.12 Da

Isoelectric Point (pI)7.55

Net Charge (pH 7.0)0.49

Net Charge (pH 7.4) 0.14

Charge Density (pH 7.0) 0.0139

GRAVY Index-0.22

Hydrophobic Moment 0.31

Boman Index-0.04

Instability Index56.30

Aliphatic Index 42.00

Aromaticity 0.0286

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 1579.70

LogP -25.49

H-bond Donors 60.0

H-bond Acceptors 61.0

Rotatable Bonds 117.0

Heavy Atoms 249.0

Ring Count 3.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0093402 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