Peptide Database

Peptide NameNeuropeptide Y NPYb

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC195H300N56O53

DescriptionStandard

        YPVKPASPREGAPPEELARYYSALRHYINLITRQRY
    

Molecular Weight4276.81 Da

Isoelectric Point (pI)9.69

Net Charge (pH 7.0)2.85

Net Charge (pH 7.4) 2.58

Charge Density (pH 7.0) 0.0792

GRAVY Index-0.90

Hydrophobic Moment 0.73

Boman Index-0.19

Instability Index80.79

Aliphatic Index 73.33

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 1761.99

LogP -14.25

H-bond Donors 62.0

H-bond Acceptors 57.0

Rotatable Bonds 130.0

Heavy Atoms 304.0

Ring Count 11.0

Amide Bonds 37.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0267825 VERIFIED: NO

Provenance & Taxonomy

OrganismGasterosteus aculeatus [Animal]; Oryzias latipes [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide