Peptide Database

Peptide NameNeurokinin A

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC51H71N11O14S

DescriptionStandard

        HFDEFVGLM
    

Molecular Weight1094.24 Da

Isoelectric Point (pI)4.35

Net Charge (pH 7.0)-2.15

Net Charge (pH 7.4) -2.40

Charge Density (pH 7.0) -0.2388

GRAVY Index0.54

Hydrophobic Moment 0.39

Boman Index0.40

Instability Index1.64

Aliphatic Index 75.56

Aromaticity 0.2222

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 399.40

LogP -0.85

H-bond Donors 13.0

H-bond Acceptors 14.0

Rotatable Bonds 34.0

Heavy Atoms 77.0

Ring Count 3.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0096470 VERIFIED: NO

Provenance & Taxonomy

OrganismLampetra fluviatilis [Animal]

FamilyTachykinin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide