Peptide Database

Peptide NamePth-St1

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC91H146N32O29S2

DescriptionStandard

        RKCESQSFRFKGPCSRDAN
    

Molecular Weight2216.46 Da

Isoelectric Point (pI)9.50

Net Charge (pH 7.0)2.74

Net Charge (pH 7.4) 2.50

Charge Density (pH 7.0) 0.1443

GRAVY Index-1.44

Hydrophobic Moment 0.46

Boman Index-0.54

Instability Index46.66

Aliphatic Index 5.26

Aromaticity 0.1053

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 125.00

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

Amino Acid Composition

TPSA 1037.54

LogP -14.87

H-bond Donors 39.0

H-bond Acceptors 34.0

Rotatable Bonds 75.0

Heavy Atoms 154.0

Ring Count 3.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0042941 VERIFIED: YES

Provenance & Taxonomy

OrganismZea mays [Plant]

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)