Peptide Database

Peptide NameA4

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC79H151N35O19

DescriptionStandard

        KAKRRARNLNQKKRK
    

Molecular Weight1895.27 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)8.76

Net Charge (pH 7.4) 8.54

Charge Density (pH 7.0) 0.5837

GRAVY Index-2.71

Hydrophobic Moment 0.63

Boman Index-1.18

Instability Index94.19

Aliphatic Index 39.33

Aromaticity 0.0000

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 977.69

LogP -12.01

H-bond Donors 36.0

H-bond Acceptors 28.0

Rotatable Bonds 74.0

Heavy Atoms 133.0

Ring Count 0.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0244355 VERIFIED: YES

Provenance & Taxonomy

OrganismCnidopus japonicus [Animal]

FamilyCathelicidin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative

TargetEscherichia coli

Activity128

MethodMIC

RECORD: Rec_0347048 VERIFIED: YES