Peptide Database

Peptide NameTrypsin inhibitor, SOTI I

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC154H243N43O44S6

DescriptionStandard

        KCSPSGAICSGFGPPEQCCSGACVPHPILRIFVCQ
    

Molecular Weight3593.23 Da

Isoelectric Point (pI)7.79

Net Charge (pH 7.0)0.79

Net Charge (pH 7.4) 0.45

Charge Density (pH 7.0) 0.0226

GRAVY Index0.43

Hydrophobic Moment 0.54

Boman Index0.22

Instability Index60.67

Aliphatic Index 66.86

Aromaticity 0.0571

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 1329.77

LogP -15.74

H-bond Donors 49.0

H-bond Acceptors 52.0

Rotatable Bonds 107.0

Heavy Atoms 247.0

Ring Count 8.0

Amide Bonds 36.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0203266 VERIFIED: NO

Provenance & Taxonomy

OrganismSpinacia oleracea [Plant]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide2-19; 9-23; 18-34

Bio-Activity Profile

Function

Enzyme inhibitory

RECORD: Rec_0293067 VERIFIED: YES