Peptide Database

Peptide NameNeuropeptide Y 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length49 amino acids

Chemical FormulaC256H418N72O73S

DescriptionStandard

        LEKENVHLVRSRANIDPSVALALQKGLKQLDKYIEKMAIYSVFNNQVRY
    

Molecular Weight5704.56 Da

Isoelectric Point (pI)9.52

Net Charge (pH 7.0)2.85

Net Charge (pH 7.4) 2.58

Charge Density (pH 7.0) 0.0582

GRAVY Index-0.35

Hydrophobic Moment 0.74

Boman Index-0.08

Instability Index55.39

Aliphatic Index 109.39

Aromaticity 0.0816

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4470.00

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

Amino Acid Composition

TPSA 2405.32

LogP -20.36

H-bond Donors 82.0

H-bond Acceptors 78.0

Rotatable Bonds 197.0

Heavy Atoms 402.0

Ring Count 6.0

Amide Bonds 55.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0014076 VERIFIED: NO

Provenance & Taxonomy

OrganismHelobdella robusta [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide