Peptide Database

Peptide NameNigroain-K1

Function Ontology

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Standard StatusStandard

Sequence Length22 amino acids

Chemical FormulaC112H184N30O30

DescriptionStandard

        SIWEGIKNAGKGFLVSILDKVR
    

Molecular Weight2430.84 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.46

Net Charge (pH 7.4) 1.25

Charge Density (pH 7.0) 0.0664

GRAVY Index0.17

Hydrophobic Moment 0.65

Boman Index0.12

Instability Index-4.85

Aliphatic Index 119.55

Aromaticity 0.0909

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 988.32

LogP -7.15

H-bond Donors 35.0

H-bond Acceptors 32.0

Rotatable Bonds 84.0

Heavy Atoms 172.0

Ring Count 3.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0142895 VERIFIED: YES

Provenance & Taxonomy

OrganismHylarana guentheri [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)