Peptide Database

Peptide NameNigroain-K2

Function Ontology

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Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC144H235N37O36S3

DescriptionStandard

        LWESIKNLGKKFALNIMEKLKCKFGGGC
    

Molecular Weight3156.83 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-0.08

Hydrophobic Moment 0.68

Boman Index0.06

Instability Index37.36

Aliphatic Index 87.14

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 -7.62

H-bond Donors 43.0

H-bond Acceptors 43.0

Rotatable Bonds 113.0

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_0346883 VERIFIED: YES

Provenance & Taxonomy

OrganismRana amurensis [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)