Peptide Database

Peptide NameAcyclotide phyb-K

Function Ontology

Antimicrobial

Insecticidal/Pest control ▸ Insecticidal activity

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC137H228N36O43S6

DescriptionStandard

        STDCGEPCVYIPCTITALLGCSCLNKVCVRP
    

Molecular Weight3259.88 Da

Isoelectric Point (pI)5.78

Net Charge (pH 7.0)-0.60

Net Charge (pH 7.4) -0.90

Charge Density (pH 7.0) -0.0193

GRAVY Index0.65

Hydrophobic Moment 0.43

Boman Index0.20

Instability Index38.73

Aliphatic Index 94.19

Aromaticity 0.0323

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1865.00

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

Amino Acid Composition

TPSA 1236.94

LogP -13.80

H-bond Donors 48.0

H-bond Acceptors 49.0

Rotatable Bonds 99.0

Heavy Atoms 222.0

Ring Count 4.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0015768 VERIFIED: NO

Provenance & Taxonomy

OrganismPetunia hybrida [Plant]

FamilyCyclotide

Structure & Mods

ConfigBackbone-cyclized cyclotide scaffold with cystine-knot family annotation [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0347830 VERIFIED: YES

Provenance & Taxonomy

OrganismPetunia x hybrida [Plant]

FamilyCyclotide

Structure & Mods

Confighead-to-tail cyclic peptide scaffold [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

DisulfideCysteine-rich scaffold consistent with multiple disulfide bonds in the annotated family

Bio-Activity Profile

Function

Antimicrobial Insecticidal