Peptide Database

Peptide NameNisin A

Function Ontology

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Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC151H242N42O46S5

DescriptionStandard

        ITSYSLCTPGCITGVLMGCQFQSAGCNVHVHVSK
    

Molecular Weight3542.12 Da

Isoelectric Point (pI)7.90

Net Charge (pH 7.0)0.89

Net Charge (pH 7.4) 0.53

Charge Density (pH 7.0) 0.0263

GRAVY Index0.57

Hydrophobic Moment 0.33

Boman Index0.28

Instability Index25.29

Aliphatic Index 82.94

Aromaticity 0.0588

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 1389.32

LogP -17.50

H-bond Donors 52.0

H-bond Acceptors 54.0

Rotatable Bonds 112.0

Heavy Atoms 244.0

Ring Count 5.0

Amide Bonds 36.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0369738 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)