Peptide Database

Peptide NameTrypsin inhibitor 2b

Function Ontology

Enzyme modulation ▸ Enzyme inhibition

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC141H239N45O47S7

DescriptionStandard

        EDRKCPKILMRCKRDSDCLAKCTCQESGYCG
    

Molecular Weight3541.13 Da

Isoelectric Point (pI)8.34

Net Charge (pH 7.0)1.78

Net Charge (pH 7.4) 1.51

Charge Density (pH 7.0) 0.0574

GRAVY Index-0.82

Hydrophobic Moment 0.66

Boman Index-0.36

Instability Index61.43

Aliphatic Index 40.97

Aromaticity 0.0323

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1865.00

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

Amino Acid Composition

TPSA 1527.82

LogP -18.76

H-bond Donors 60.0

H-bond Acceptors 56.0

Rotatable Bonds 123.0

Heavy Atoms 240.0

Ring Count 2.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0136104 VERIFIED: NO

Provenance & Taxonomy

OrganismSechium edule [Plant]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide5-22; 12-24; 18-30

Bio-Activity Profile

Function

Enzyme inhibitory

RECORD: Rec_0224640 VERIFIED: YES