Peptide Database

Peptide NamePyrokinin 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length16 amino acids

Chemical FormulaC70H103N23O22S

DescriptionStandard

        SSNNNGGGGMWFGPRL
    

Molecular Weight1650.77 Da

Isoelectric Point (pI)9.47

Net Charge (pH 7.0)0.46

Net Charge (pH 7.4) 0.25

Charge Density (pH 7.0) 0.0288

GRAVY Index-0.79

Hydrophobic Moment 0.27

Boman Index0.06

Instability Index30.44

Aliphatic Index 24.38

Aromaticity 0.1250

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 738.45

LogP -11.03

H-bond Donors 25.0

H-bond Acceptors 24.0

Rotatable Bonds 51.0

Heavy Atoms 116.0

Ring Count 4.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0271371 VERIFIED: NO

Provenance & Taxonomy

OrganismTetrodontophora bielanensis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide