Peptide Database

Peptide NameTryptase inhibitor LDTI-A

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC180H307N55O57S6

DescriptionStandard

        KKVCACPKILKPVCGSDGRTYANSCIARCNGVSIKSEGSCPT
    

Molecular Weight4346.09 Da

Isoelectric Point (pI)9.10

Net Charge (pH 7.0)4.70

Net Charge (pH 7.4) 4.40

Charge Density (pH 7.0) 0.1119

GRAVY Index-0.13

Hydrophobic Moment 0.50

Boman Index-0.05

Instability Index50.85

Aliphatic Index 65.00

Aromaticity 0.0238

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 1806.57

LogP -24.96

H-bond Donors 69.0

H-bond Acceptors 68.0

Rotatable Bonds 143.0

Heavy Atoms 298.0

Ring Count 4.0

Amide Bonds 43.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0040082 VERIFIED: NO

Provenance & Taxonomy

OrganismHirudo medicinalis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory