Peptide Database

Peptide NameNeurokinin A

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Neurological / Signaling ▸ Tachykinin peptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC47H74N12O12S

DescriptionStandard

        HKDAFIGLM
    

Molecular Weight1031.23 Da

Isoelectric Point (pI)6.74

Net Charge (pH 7.0)-0.15

Net Charge (pH 7.4) -0.41

Charge Density (pH 7.0) -0.0170

GRAVY Index0.42

Hydrophobic Moment 0.19

Boman Index0.29

Instability Index35.20

Aliphatic Index 97.78

Aromaticity 0.1111

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 388.12

LogP -1.41

H-bond Donors 13.0

H-bond Acceptors 14.0

Rotatable Bonds 34.0

Heavy Atoms 72.0

Ring Count 2.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0373517 VERIFIED: YES

Provenance & Taxonomy

OrganismLampetra fluviatilis [Animal]

FamilyTachykinin

Tax ID7748

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Tachykinin Neuropeptide Neuromodulator

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