Peptide Database

Peptide NameChecacin1 (1-21)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antifungal

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC118H184N26O25S

DescriptionStandard

        FFGAIAKLAMKFLPAIYKQIQ
    

Molecular Weight2398.95 Da

Isoelectric Point (pI)10.00

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.1312

GRAVY Index0.79

Hydrophobic Moment 0.62

Boman Index0.36

Instability Index31.04

Aliphatic Index 111.90

Aromaticity 0.1905

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 821.00

LogP -1.11

H-bond Donors 27.0

H-bond Acceptors 29.0

Rotatable Bonds 79.0

Heavy Atoms 170.0

Ring Count 5.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0379540 VERIFIED: YES

Provenance & Taxonomy

OrganismChelifer cancroides [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

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

TargetEscherichia coli ATCC 35218 TEM-1 beta-lactamase expressing strain

Activity50 μM

MethodMIC

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