Peptide Database

Peptide NameNisin A

Function Ontology

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Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC152H249N43O45S5

DescriptionStandard

        ITSYSLCTPGCITGVLMGCHIQSIGCNVHVHVSK
    

Molecular Weight3559.19 Da

Isoelectric Point (pI)7.91

Net Charge (pH 7.0)0.98

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0288

GRAVY Index0.71

Hydrophobic Moment 0.36

Boman Index0.32

Instability Index52.23

Aliphatic Index 102.94

Aromaticity 0.0294

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1740.00

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

Amino Acid Composition

TPSA 1374.91

LogP -15.97

H-bond Donors 52.0

H-bond Acceptors 54.0

Rotatable Bonds 113.0

Heavy Atoms 245.0

Ring Count 5.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0018280 VERIFIED: YES

Provenance & Taxonomy

OrganismStreptococcus salivarius [Bacterium]

FamilyBacteriocin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

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TargetEscherichia coli TOP10

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