Peptide Database

Peptide NameNigroain-K2

Function Ontology

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Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC140H233N37O39S2

DescriptionStandard

        SIWDIIKDTGKGFLVSILDKVRCKVAGGC
    

Molecular Weight3122.70 Da

Isoelectric Point (pI)8.80

Net Charge (pH 7.0)1.44

Net Charge (pH 7.4) 1.20

Charge Density (pH 7.0) 0.0496

GRAVY Index0.43

Hydrophobic Moment 0.65

Boman Index0.15

Instability Index-5.12

Aliphatic Index 114.14

Aromaticity 0.0690

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 1232.48

LogP -9.84

H-bond Donors 46.0

H-bond Acceptors 43.0

Rotatable Bonds 107.0

Heavy Atoms 218.0

Ring Count 3.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0177445 VERIFIED: YES

Provenance & Taxonomy

OrganismOdorrana andersonii [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)