Peptide Database

Peptide NameParkerin

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC84H140N24O25S

DescriptionStandard

        GWASTLKNVAGGLCKITGAA
    

Molecular Weight1918.22 Da

Isoelectric Point (pI)9.31

Net Charge (pH 7.0)1.75

Net Charge (pH 7.4) 1.53

Charge Density (pH 7.0) 0.0874

GRAVY Index0.50

Hydrophobic Moment 0.56

Boman Index0.30

Instability Index-2.65

Aliphatic Index 93.00

Aromaticity 0.0500

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 787.83

LogP -9.45

H-bond Donors 29.0

H-bond Acceptors 28.0

Rotatable Bonds 62.0

Heavy Atoms 134.0

Ring Count 2.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0328202 VERIFIED: YES

Provenance & Taxonomy

OrganismNanorana parkeri [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Anti-Gram-negative

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)