Peptide Database

Peptide NamePyrokinin

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC44H66N10O9

DescriptionStandard

        LYFAPRL
    

Molecular Weight879.06 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.1084

GRAVY Index0.69

Hydrophobic Moment 0.51

Boman Index0.25

Instability Index25.31

Aliphatic Index 125.71

Aromaticity 0.2857

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 311.26

LogP 0.38

H-bond Donors 11.0

H-bond Acceptors 10.0

Rotatable Bonds 24.0

Heavy Atoms 63.0

Ring Count 3.0

Amide Bonds 6.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0173957 VERIFIED: NO

Provenance & Taxonomy

OrganismCarcinus maenas [Animal]; Cancer borealis [Animal]; Ocypode ceratophthalma [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide

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