Peptide Database

Peptide NameChecacin1 (12-25)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antifungal

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC84H141N23O18

DescriptionStandard

        FLPAIYKQIQKKRK
    

Molecular Weight1761.16 Da

Isoelectric Point (pI)10.58

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.54

Charge Density (pH 7.0) 0.3397

GRAVY Index-0.90

Hydrophobic Moment 0.60

Boman Index-0.30

Instability Index76.97

Aliphatic Index 90.71

Aromaticity 0.1429

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 705.22

LogP -3.13

H-bond Donors 24.0

H-bond Acceptors 23.0

Rotatable Bonds 62.0

Heavy Atoms 125.0

Ring Count 3.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0426305 VERIFIED: YES

Provenance & Taxonomy

OrganismChelifer cancroides [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

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

TargetPseudomonas aeruginosa ATCC 27853

Activity50 μM

MethodMIC

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