Peptide Database

Peptide NameNigroain-K2

Function Ontology

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Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC142H232N38O35S4

DescriptionStandard

        LWESIKNFGKKFALNMMNKIKCKIGGGC
    

Molecular Weight3159.85 Da

Isoelectric Point (pI)9.79

Net Charge (pH 7.0)4.74

Net Charge (pH 7.4) 4.49

Charge Density (pH 7.0) 0.1692

GRAVY Index-0.12

Hydrophobic Moment 0.69

Boman Index0.06

Instability Index20.69

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 1207.73

LogP -8.90

H-bond Donors 43.0

H-bond Acceptors 44.0

Rotatable Bonds 113.0

Heavy Atoms 219.0

Ring Count 4.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0160540 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)