Peptide Database

Peptide NameTrypsin inhibitor LLTI-II

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC134H217N43O42S7

DescriptionStandard

        RRCPRIYMECKHDSDCLADCVCLEHGICG
    

Molecular Weight3326.87 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) -0.0386

GRAVY Index-0.22

Hydrophobic Moment 0.58

Boman Index-0.14

Instability Index69.04

Aliphatic Index 67.24

Aromaticity 0.0345

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 1365.37

LogP -14.12

H-bond Donors 54.0

H-bond Acceptors 50.0

Rotatable Bonds 109.0

Heavy Atoms 226.0

Ring Count 4.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0221690 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

RECORD: Rec_0262016 VERIFIED: YES