Peptide Database

Peptide NameNeuropeptide Y NPYb

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC195H298N54O56

DescriptionStandard

        YPSKPASPREDAPPEELAKYYSALRHYINLITRQRY
    

Molecular Weight4294.78 Da

Isoelectric Point (pI)9.23

Net Charge (pH 7.0)1.85

Net Charge (pH 7.4) 1.58

Charge Density (pH 7.0) 0.0514

GRAVY Index-1.11

Hydrophobic Moment 0.73

Boman Index-0.24

Instability Index91.39

Aliphatic Index 65.28

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 1783.64

LogP -15.21

H-bond Donors 62.0

H-bond Acceptors 59.0

Rotatable Bonds 132.0

Heavy Atoms 305.0

Ring Count 11.0

Amide Bonds 37.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0268418 VERIFIED: NO

Provenance & Taxonomy

OrganismFugu rubripes,Takifugu rubripes [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide