Peptide Database

Peptide NameTrypsin inhibitor 5

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length27 amino acids

Chemical FormulaC125H203N35O36S7

DescriptionStandard

        CPRILMKCKLDTDCFPTCTCRPSGFCG
    

Molecular Weight2996.62 Da

Isoelectric Point (pI)8.34

Net Charge (pH 7.0)1.70

Net Charge (pH 7.4) 1.41

Charge Density (pH 7.0) 0.0630

GRAVY Index0.09

Hydrophobic Moment 0.33

Boman Index-0.02

Instability Index45.87

Aliphatic Index 43.33

Aromaticity 0.0741

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 1124.91

LogP -12.39

H-bond Donors 45.0

H-bond Acceptors 45.0

Rotatable Bonds 93.0

Heavy Atoms 203.0

Ring Count 5.0

Amide Bonds 26.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0125749 VERIFIED: NO

Provenance & Taxonomy

OrganismSechium edule [Plant]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide1-18; 8-20; 14-26

Bio-Activity Profile

Function

Enzyme inhibitory

RECORD: Rec_0418891 VERIFIED: YES