Peptide Database

Peptide NameTrypsin inhibitor LLTI-III

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC136H220N44O43S7

DescriptionStandard

        RRCPRIYMECKHDSDCLADCVCLEHGICGG
    

Molecular Weight3383.93 Da

Isoelectric Point (pI)6.02

Net Charge (pH 7.0)-1.12

Net Charge (pH 7.4) -1.52

Charge Density (pH 7.0) -0.0373

GRAVY Index-0.22

Hydrophobic Moment 0.58

Boman Index-0.12

Instability Index71.19

Aliphatic Index 65.00

Aromaticity 0.0333

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 1394.47

LogP -15.01

H-bond Donors 55.0

H-bond Acceptors 51.0

Rotatable Bonds 111.0

Heavy Atoms 230.0

Ring Count 4.0

Amide Bonds 29.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0302017 VERIFIED: YES

Provenance & Taxonomy

OrganismLagenaria luecantha Rusby var. Gourda makina [Plant]; Lagenaria siceraria [Plant]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory

RECORD: Rec_0326391 VERIFIED: NO

Provenance & Taxonomy

OrganismLagenaria luecantha Rusby var. Gourda makina,Lagenaria siceraria [Plant]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-20; 10-22; 16-28

Bio-Activity Profile

Function

Enzyme inhibitory