Peptide Database

Peptide NameNeuropeptide Y NPYa

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC194H296N52O55

DescriptionStandard

        YPVKPENPGEDAPAVELAKYYSALRHYINLITRQRY
    

Molecular Weight4236.74 Da

Isoelectric Point (pI)8.31

Net Charge (pH 7.0)0.85

Net Charge (pH 7.4) 0.58

Charge Density (pH 7.0) 0.0236

GRAVY Index-0.77

Hydrophobic Moment 0.73

Boman Index-0.11

Instability Index63.18

Aliphatic Index 81.39

Aromaticity 0.1389

Extinction Coeff. Reduced 7450.00

Extinction Coeff. Oxidized 7450.00

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

Amino Acid Composition

TPSA 1733.16

LogP -13.14

H-bond Donors 59.0

H-bond Acceptors 57.0

Rotatable Bonds 131.0

Heavy Atoms 301.0

Ring Count 10.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0155210 VERIFIED: NO

Provenance & Taxonomy

OrganismGasterosteus aculeatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide