Peptide Database

Peptide NameChicken CATH-2

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length27 amino acids

Chemical FormulaC149H246N46O30

DescriptionStandard

        RFGRFLKKVRRFIPKVIIAAQIGSRFG
    

Molecular Weight3161.84 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)7.76

Net Charge (pH 7.4) 7.55

Charge Density (pH 7.0) 0.2873

GRAVY Index0.14

Hydrophobic Moment 0.96

Boman Index-0.07

Instability Index27.48

Aliphatic Index 101.11

Aromaticity 0.1481

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 1262.01

LogP -8.08

H-bond Donors 47.0

H-bond Acceptors 38.0

Rotatable Bonds 108.0

Heavy Atoms 225.0

Ring Count 5.0

Amide Bonds 27.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0018514 VERIFIED: YES

Provenance & Taxonomy

OrganismCoturnix coturnix [Animal]

FamilyCathelicidin

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)