Peptide Database

Peptide NameSp-ALF2

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC171H286N56O55

DescriptionStandard

        ARTKSRSGSSREATKDFVRKALQNGLVTQQDASLWL
    

Molecular Weight4006.44 Da

Isoelectric Point (pI)10.93

Net Charge (pH 7.0)3.80

Net Charge (pH 7.4) 3.60

Charge Density (pH 7.0) 0.1055

GRAVY Index-0.79

Hydrophobic Moment 0.65

Boman Index-0.27

Instability Index57.02

Aliphatic Index 70.56

Aromaticity 0.0556

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 1869.37

LogP -24.80

H-bond Donors 68.0

H-bond Acceptors 59.0

Rotatable Bonds 139.0

Heavy Atoms 282.0

Ring Count 3.0

Amide Bonds 39.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0385659 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)