Peptide Database

Peptide NamePenaeidin-4a

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC178H257N47O48S6

DescriptionStandard

        NRYIFFLSFPGCDVCYGIPSSTARLCCFRYGDCCH
    

Molecular Weight4015.62 Da

Isoelectric Point (pI)7.78

Net Charge (pH 7.0)0.79

Net Charge (pH 7.4) 0.44

Charge Density (pH 7.0) 0.0225

GRAVY Index0.29

Hydrophobic Moment 0.35

Boman Index0.13

Instability Index28.63

Aliphatic Index 55.71

Aromaticity 0.2000

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4845.00

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

Amino Acid Composition

TPSA 1508.82

LogP -14.02

H-bond Donors 60.0

H-bond Acceptors 56.0

Rotatable Bonds 120.0

Heavy Atoms 279.0

Ring Count 10.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0139420 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

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)