Peptide Database

Peptide NameC18K

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC116H216N42O24

DescriptionStandard

        GLRKRKRKFRNKKKEKLKKI
    

Molecular Weight2583.22 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)11.75

Net Charge (pH 7.4) 11.54

Charge Density (pH 7.0) 0.5877

GRAVY Index-2.28

Hydrophobic Moment 0.58

Boman Index-1.00

Instability Index57.01

Aliphatic Index 58.50

Aromaticity 0.0500

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 1178.39

LogP -9.42

H-bond Donors 44.0

H-bond Acceptors 36.0

Rotatable Bonds 104.0

Heavy Atoms 182.0

Ring Count 1.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0369358 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyCathelicidin

Tax ID32630

Structure & Mods

ConfigSingle-chain peptide backbone represented as a linear sequence entry [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

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

TargetBacillus megaterium

Activity64 μM

MethodMIC

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