Peptide Database

Peptide NameAI18

Function Ontology

Antimicrobial

Venom / Toxin ▸ General toxin ▸ Toxicity

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC104H181N37O20

DescriptionStandard

        AIPKRLRRFYLRALARRL
    

Molecular Weight2269.79 Da

Isoelectric Point (pI)12.00

Net Charge (pH 7.0)6.79

Net Charge (pH 7.4) 6.60

Charge Density (pH 7.0) 0.3774

GRAVY Index-0.33

Hydrophobic Moment 0.76

Boman Index-0.42

Instability Index129.11

Aliphatic Index 125.00

Aromaticity 0.1111

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 966.88

LogP -5.66

H-bond Donors 38.0

H-bond Acceptors 27.0

Rotatable Bonds 76.0

Heavy Atoms 161.0

Ring Count 3.0

Amide Bonds 17.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0410818 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Other ModsC-terminal amidation

Bio-Activity Profile

Function

Antimicrobial

TargetPseudomonas aeruginosa ATCC 27853 or MDR 304238

Activity8-16 μg/mL

MethodMIC

Half-LifeUnspecified 4 h

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