Peptide Database

Peptide NamePyrokinin-1

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length7 amino acids

Chemical FormulaC36H56N10O12

DescriptionStandard

        DGYTPRL
    

Molecular Weight820.89 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) -0.0343

GRAVY Index-1.17

Hydrophobic Moment 0.29

Boman Index-0.22

Instability Index-26.46

Aliphatic Index 55.71

Aromaticity 0.1429

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 368.79

LogP -3.44

H-bond Donors 13.0

H-bond Acceptors 12.0

Rotatable Bonds 23.0

Heavy Atoms 58.0

Ring Count 2.0

Amide Bonds 6.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0404947 VERIFIED: YES

Provenance & Taxonomy

OrganismKaroophasma biedouwense [Animal]

FamilyPyrokinin

Tax ID253133

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Neuromodulator Myotropic

Half-LifeMammalian: 1.1 hour; Yeast: 3 min; E. coli: >10 hour

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