Peptide Database

Peptide NamePyrokinin PK-1 5

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC88H134N22O36S

DescriptionStandard

        SSEESMGYDDSSTIFSPRL
    

Molecular Weight2108.20 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-3.53

Net Charge (pH 7.4) -3.75

Charge Density (pH 7.0) -0.1859

GRAVY Index-0.75

Hydrophobic Moment 0.28

Boman Index-0.10

Instability Index104.47

Aliphatic Index 41.05

Aromaticity 0.1053

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 951.27

LogP -13.42

H-bond Donors 34.0

H-bond Acceptors 34.0

Rotatable Bonds 68.0

Heavy Atoms 147.0

Ring Count 3.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0209849 VERIFIED: NO

Provenance & Taxonomy

OrganismFilientomon takanawanum [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide