Peptide Database

Peptide NamePyrokinin b 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length17 amino acids

Chemical FormulaC75H113N21O22S

DescriptionStandard

        GGTPATSSAGMWFGPRL
    

Molecular Weight1692.89 Da

Isoelectric Point (pI)9.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0447

GRAVY Index-0.06

Hydrophobic Moment 0.25

Boman Index0.24

Instability Index29.90

Aliphatic Index 34.71

Aromaticity 0.1176

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 669.95

LogP -8.49

H-bond Donors 24.0

H-bond Acceptors 24.0

Rotatable Bonds 48.0

Heavy Atoms 119.0

Ring Count 5.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0211089 VERIFIED: NO

Provenance & Taxonomy

OrganismFolsomia candida [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide