Peptide Database

Peptide NameNigroain-K2

Function Ontology

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Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC145H243N39O38S2

DescriptionStandard

        LWDTIKQAGKNIFLNVLDKIKCKVAGGCK
    

Molecular Weight3204.85 Da

Isoelectric Point (pI)9.51

Net Charge (pH 7.0)3.74

Net Charge (pH 7.4) 3.49

Charge Density (pH 7.0) 0.1288

GRAVY Index0.03

Hydrophobic Moment 0.67

Boman Index0.05

Instability Index22.63

Aliphatic Index 107.59

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 1274.13

LogP -9.56

H-bond Donors 45.0

H-bond Acceptors 44.0

Rotatable Bonds 113.0

Heavy Atoms 224.0

Ring Count 3.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0290269 VERIFIED: YES

Provenance & Taxonomy

OrganismOdorrana schmackeri [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

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TargetEscherichia coli TOP10

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