Peptide Database

Peptide NameAntistatin-type protease inhibitor, Piguamerin

Function Ontology

Other / Curated residual function label ▸ Generic enzyme inhibition annotation

Standard StatusStandard

Sequence Length48 amino acids

Chemical FormulaC207H332N60O70S10

DescriptionStandard

        TDCGGKTCSEAQVCKDGKCVCVIGQCRKYCPNGFKKDEDGCTFPCTCA
    

Molecular Weight5101.86 Da

Isoelectric Point (pI)7.35

Net Charge (pH 7.0)0.30

Net Charge (pH 7.4) -0.05

Charge Density (pH 7.0) 0.0063

GRAVY Index-0.39

Hydrophobic Moment 0.47

Boman Index-0.10

Instability Index26.91

Aliphatic Index 30.42

Aromaticity 0.0625

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 2115.00

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

Amino Acid Composition

TPSA 2105.91

LogP -28.64

H-bond Donors 81.0

H-bond Acceptors 81.0

Rotatable Bonds 169.0

Heavy Atoms 347.0

Ring Count 5.0

Amide Bonds 50.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0024173 VERIFIED: NO

Provenance & Taxonomy

OrganismHirudo nipponia [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Enzyme inhibitory