Peptide Database

Peptide NameTrypsin inhibitor CyPTI-II

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC123H202N34O41S7

DescriptionStandard

        ICPRILMECKADSDCLAQCICQESGFCG
    

Molecular Weight3037.58 Da

Isoelectric Point (pI)4.32

Net Charge (pH 7.0)-2.29

Net Charge (pH 7.4) -2.59

Charge Density (pH 7.0) -0.0819

GRAVY Index0.39

Hydrophobic Moment 0.36

Boman Index0.10

Instability Index55.50

Aliphatic Index 76.79

Aromaticity 0.0357

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 1203.99

LogP -13.31

H-bond Donors 46.0

H-bond Acceptors 46.0

Rotatable Bonds 101.0

Heavy Atoms 205.0

Ring Count 2.0

Amide Bonds 29.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0343158 VERIFIED: YES

Provenance & Taxonomy

OrganismCyclanthera pedata [Plant]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory

RECORD: Rec_0396164 VERIFIED: NO