Peptide Database

Peptide NameLocustapyrokinin X [I2], Lom-PK-IX [I2]

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC52H85N13O11

DescriptionStandard

        VIAGPFVPRL
    

Molecular Weight1068.31 Da

Isoelectric Point (pI)9.72

Net Charge (pH 7.0)0.73

Net Charge (pH 7.4) 0.52

Charge Density (pH 7.0) 0.0734

GRAVY Index1.32

Hydrophobic Moment 0.29

Boman Index0.46

Instability Index39.98

Aliphatic Index 146.00

Aromaticity 0.1000

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 369.54

LogP -0.66

H-bond Donors 12.0

H-bond Acceptors 12.0

Rotatable Bonds 29.0

Heavy Atoms 76.0

Ring Count 3.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0019989 VERIFIED: NO

Provenance & Taxonomy

OrganismLocusta migratoria [Animal]

Tax ID7004

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide