Peptide Database

Peptide NameTachykinin TK-1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length43 amino acids

Chemical FormulaC189H297N57O64

DescriptionStandard

        LHPAASEGADSDHIFTLSSRSKGAVINSDDPLAVIASGFHGSR
    

Molecular Weight4391.72 Da

Isoelectric Point (pI)5.75

Net Charge (pH 7.0)-1.97

Net Charge (pH 7.4) -2.33

Charge Density (pH 7.0) -0.0459

GRAVY Index-0.13

Hydrophobic Moment 0.39

Boman Index0.08

Instability Index46.10

Aliphatic Index 81.86

Aromaticity 0.0465

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 1915.46

LogP -26.00

H-bond Donors 67.0

H-bond Acceptors 65.0

Rotatable Bonds 141.0

Heavy Atoms 310.0

Ring Count 7.0

Amide Bonds 43.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0303028 VERIFIED: NO

Provenance & Taxonomy

OrganismPardosa pseudoannulata [Animal]

FamilyTachykinin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide