Peptide Database

Peptide NamePyrokinin-5b

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 Length17 amino acids

Chemical FormulaC76H114N22O23S

DescriptionStandard

        GGETGGEGKGMWFGPRL
    

Molecular Weight1735.92 Da

Isoelectric Point (pI)6.14

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0138

GRAVY Index-0.76

Hydrophobic Moment 0.30

Boman Index0.10

Instability Index-4.36

Aliphatic Index 22.94

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 718.67

LogP -7.65

H-bond Donors 25.0

H-bond Acceptors 24.0

Rotatable Bonds 56.0

Heavy Atoms 122.0

Ring Count 4.0

Amide Bonds 16.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0201501 VERIFIED: NO

Provenance & Taxonomy

OrganismPycnoscelus surinamensis [Animal]

FamilyPyrokinin-5b

Tax ID36961

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Myotropic

Half-LifeMammalian: 30 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0258482 VERIFIED: NO