Peptide Database

Peptide NameNigroain-K2

Function Ontology

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Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC143H233N37O36S4

DescriptionStandard

        LWESIKNFGKKFALNMMEKIKCKIGGGC
    

Molecular Weight3174.87 Da

Isoelectric Point (pI)9.51

Net Charge (pH 7.0)3.74

Net Charge (pH 7.4) 3.50

Charge Density (pH 7.0) 0.1336

GRAVY Index-0.12

Hydrophobic Moment 0.69

Boman Index0.06

Instability Index12.24

Aliphatic Index 73.21

Aromaticity 0.1071

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5625.00

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

Amino Acid Composition

TPSA 1201.94

LogP -7.91

H-bond Donors 43.0

H-bond Acceptors 44.0

Rotatable Bonds 114.0

Heavy Atoms 220.0

Ring Count 4.0

Amide Bonds 29.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0212945 VERIFIED: YES

Provenance & Taxonomy

OrganismRana kukunoris [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

TargetEscherichia coli TOP10

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