Peptide Database

Peptide NameProtease inhibitor LLTI-III

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length30 amino acids

Chemical FormulaC139H224N44O45S7

DescriptionStandard

        ERRCPRIYMECKHDSDCLADCVCLEHGICG
    

Molecular Weight3455.99 Da

Isoelectric Point (pI)5.41

Net Charge (pH 7.0)-2.04

Net Charge (pH 7.4) -2.41

Charge Density (pH 7.0) -0.0680

GRAVY Index-0.33

Hydrophobic Moment 0.58

Boman Index-0.16

Instability Index67.08

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 1431.77

LogP -14.77

H-bond Donors 56.0

H-bond Acceptors 52.0

Rotatable Bonds 114.0

Heavy Atoms 235.0

Ring Count 4.0

Amide Bonds 29.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0134165 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_0223400 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]

Disulfide4-21; 11-23; 17-29

Bio-Activity Profile

Function

Enzyme inhibitory