Peptide Database

Peptide NamePyrokinin-1

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC49H73N13O13

DescriptionStandard

        TNFAFSPRL
    

Molecular Weight1052.18 Da

Isoelectric Point (pI)9.41

Net Charge (pH 7.0)0.40

Net Charge (pH 7.4) 0.21

Charge Density (pH 7.0) 0.0442

GRAVY Index0.01

Hydrophobic Moment 0.23

Boman Index0.07

Instability Index15.93

Aliphatic Index 54.44

Aromaticity 0.2222

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 432.78

LogP -4.15

H-bond Donors 15.0

H-bond Acceptors 14.0

Rotatable Bonds 30.0

Heavy Atoms 75.0

Ring Count 3.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0244961 VERIFIED: YES

Provenance & Taxonomy

OrganismCallinectes sapidus [Animal]

FamilyPyrokinin

Tax ID6763

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

-

Half-LifeMammalian: 7.2 hour; Yeast: >20 hour; E. coli: >10 hour

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