Peptide Database

Peptide NamePyrokinin 1 a 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC71H107N21O20S

DescriptionStandard

        SNNAEKGMWFGPRL
    

Molecular Weight1606.80 Da

Isoelectric Point (pI)8.46

Net Charge (pH 7.0)0.46

Net Charge (pH 7.4) 0.25

Charge Density (pH 7.0) 0.0330

GRAVY Index-0.91

Hydrophobic Moment 0.47

Boman Index-0.08

Instability Index-2.16

Aliphatic Index 35.00

Aromaticity 0.1429

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 680.25

LogP -6.74

H-bond Donors 23.0

H-bond Acceptors 22.0

Rotatable Bonds 51.0

Heavy Atoms 113.0

Ring Count 4.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0250069 VERIFIED: NO

Provenance & Taxonomy

OrganismPogonognathellus sp [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide