Peptide Database

Peptide NamePyrokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length33 amino acids

Chemical FormulaC154H263N55O53S

DescriptionStandard

        SQDSVSRDDNRHKDSSNTKIAPRLSRIPMSPRL
    

Molecular Weight3765.14 Da

Isoelectric Point (pI)10.78

Net Charge (pH 7.0)2.55

Net Charge (pH 7.4) 2.29

Charge Density (pH 7.0) 0.0773

GRAVY Index-1.35

Hydrophobic Moment 0.69

Boman Index-0.48

Instability Index83.16

Aliphatic Index 59.09

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 1798.68

LogP -26.17

H-bond Donors 64.0

H-bond Acceptors 58.0

Rotatable Bonds 127.0

Heavy Atoms 263.0

Ring Count 4.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0332503 VERIFIED: NO

Provenance & Taxonomy

OrganismCampodea augens [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide