Peptide Database

Peptide NameTachykinin Ia/Ib 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC105H131N25O34

DescriptionStandard

        EDYGFWAGEEDHPGFYDPR
    

Molecular Weight2287.31 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-5.07

Net Charge (pH 7.4) -5.30

Charge Density (pH 7.0) -0.2668

GRAVY Index-1.54

Hydrophobic Moment 0.22

Boman Index-0.10

Instability Index54.70

Aliphatic Index 5.26

Aromaticity 0.2632

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 8480.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 940.17

LogP -6.60

H-bond Donors 31.0

H-bond Acceptors 30.0

Rotatable Bonds 66.0

Heavy Atoms 164.0

Ring Count 9.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0328779 VERIFIED: NO

Provenance & Taxonomy

OrganismLygus hesperus [Animal]

FamilyTachykinin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide