Peptide Database

Peptide NameSystemin

Function Ontology

Defense Gene Activator

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC85H144N26O28S

DescriptionStandard

        AVQSKPPSKRDPPKMQTD
    

Molecular Weight2010.28 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.80

Net Charge (pH 7.4) 1.60

Charge Density (pH 7.0) 0.0999

GRAVY Index-1.72

Hydrophobic Moment 0.31

Boman Index-0.45

Instability Index93.80

Aliphatic Index 21.67

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 884.29

LogP -11.41

H-bond Donors 28.0

H-bond Acceptors 31.0

Rotatable Bonds 64.0

Heavy Atoms 140.0

Ring Count 4.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0136487 VERIFIED: YES

Provenance & Taxonomy

OrganismLycopersicon esculentum [Plant]

Tax ID4081

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Defense Gene Activator