Peptide Database

Peptide NameViolacin A

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length22 amino acids

Chemical FormulaC90H134N24O31S6

DescriptionStandard

        CGETCFGGTCNTPGCSCTWPIC
    

Molecular Weight2240.56 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.30

Net Charge (pH 7.4) -1.59

Charge Density (pH 7.0) -0.0589

GRAVY Index0.27

Hydrophobic Moment 0.17

Boman Index0.24

Instability Index26.81

Aliphatic Index 17.73

Aromaticity 0.0909

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5875.00

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

Amino Acid Composition

TPSA 854.17

LogP -13.04

H-bond Donors 35.0

H-bond Acceptors 36.0

Rotatable Bonds 63.0

Heavy Atoms 151.0

Ring Count 5.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0401747 VERIFIED: YES

Provenance & Taxonomy

OrganismOldenlandia affinis [Plant]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Anti-Gram-negative

TargetEscherichia coli TOP10

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