Peptide Database

Peptide NamePyrokinin I 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC50H73N13O14

DescriptionStandard

        GADFAFSPRL
    

Molecular Weight1080.19 Da

Isoelectric Point (pI)5.84

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0239

GRAVY Index0.22

Hydrophobic Moment 0.13

Boman Index0.17

Instability Index20.88

Aliphatic Index 59.00

Aromaticity 0.2000

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 435.86

LogP -3.80

H-bond Donors 15.0

H-bond Acceptors 14.0

Rotatable Bonds 31.0

Heavy Atoms 77.0

Ring Count 3.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0015311 VERIFIED: NO

Provenance & Taxonomy

OrganismHomarus americanus [Animal] [Animal]; Nephrops norvegicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide