Peptide Database

Peptide NamePtALF7

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC148H243N45O45

DescriptionStandard

        AREATKSFVDQALQRRLITQQEADLWLKG
    

Molecular Weight3372.79 Da

Isoelectric Point (pI)8.63

Net Charge (pH 7.0)0.80

Net Charge (pH 7.4) 0.61

Charge Density (pH 7.0) 0.0276

GRAVY Index-0.65

Hydrophobic Moment 0.52

Boman Index-0.20

Instability Index49.79

Aliphatic Index 91.03

Aromaticity 0.0690

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 1513.90

LogP -14.92

H-bond Donors 53.0

H-bond Acceptors 46.0

Rotatable Bonds 117.0

Heavy Atoms 238.0

Ring Count 3.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0146923 VERIFIED: YES

Provenance & Taxonomy

OrganismPortunus trituberculatus [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)