Peptide Database

Peptide NameTachykinin TK4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length17 amino acids

Chemical FormulaC85H135N23O25

DescriptionStandard

        AIKPFTGIDNNSFSVIR
    

Molecular Weight1879.12 Da

Isoelectric Point (pI)8.79

Net Charge (pH 7.0)0.80

Net Charge (pH 7.4) 0.61

Charge Density (pH 7.0) 0.0468

GRAVY Index0.11

Hydrophobic Moment 0.44

Boman Index0.11

Instability Index1.32

Aliphatic Index 91.76

Aromaticity 0.1176

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 792.22

LogP -8.42

H-bond Donors 27.0

H-bond Acceptors 26.0

Rotatable Bonds 60.0

Heavy Atoms 133.0

Ring Count 3.0

Amide Bonds 18.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0416503 VERIFIED: NO

Provenance & Taxonomy

OrganismGlossina morsitans [Animal]

FamilyTachykinin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide