Peptide Database

Peptide NameNeuropeptide Y NPYb

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC196H300N54O56

DescriptionStandard

        YPSKPATPREDAPPEELAKYYSALRHYINLITRQRY
    

Molecular Weight4308.81 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-0.23

Instability Index79.18

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 -14.82

H-bond Donors 62.0

H-bond Acceptors 59.0

Rotatable Bonds 132.0

Heavy Atoms 306.0

Ring Count 11.0

Amide Bonds 37.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0087491 VERIFIED: NO

Provenance & Taxonomy

OrganismTetraodon nigroviridis [Animal]; Fugu rubripes,Takifugu rubripes [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide