Peptide Database

Peptide NameNeuropeptide K [1-23]

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC107H175N29O36

DescriptionStandard

        DADSSIEKQVALLKALYGHGQIS
    

Molecular Weight2443.71 Da

Isoelectric Point (pI)5.38

Net Charge (pH 7.0)-1.15

Net Charge (pH 7.4) -1.41

Charge Density (pH 7.0) -0.0500

GRAVY Index-0.13

Hydrophobic Moment 0.36

Boman Index0.08

Instability Index36.83

Aliphatic Index 110.43

Aromaticity 0.0435

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 1063.24

LogP -11.23

H-bond Donors 36.0

H-bond Acceptors 36.0

Rotatable Bonds 84.0

Heavy Atoms 172.0

Ring Count 2.0

Amide Bonds 24.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0237410 VERIFIED: NO

Provenance & Taxonomy

OrganismTupaia belangeri [Animal] [Animal]; Rattus norvegicus [Animal]

Tax ID37347;10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide