Peptide Database

Peptide NameCatestatin

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC105H164N34O27S

DescriptionStandard

        SMKLSFQSRAYGFRGPRHQL
    

Molecular Weight2366.70 Da

Isoelectric Point (pI)11.72

Net Charge (pH 7.0)3.55

Net Charge (pH 7.4) 3.28

Charge Density (pH 7.0) 0.1773

GRAVY Index-0.84

Hydrophobic Moment 0.39

Boman Index-0.23

Instability Index34.23

Aliphatic Index 44.00

Aromaticity 0.1500

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 1014.93

LogP -10.93

H-bond Donors 37.0

H-bond Acceptors 33.0

Rotatable Bonds 78.0

Heavy Atoms 167.0

Ring Count 5.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0177566 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Anti-Gram-negative

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)