Peptide Database

Peptide NameNeuropeptide PYYb

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC191H291N53O53S

DescriptionStandard

        YPPKPEPPAGDVGPEEMAKYHTALRHYINLITRQRY
    

Molecular Weight4209.74 Da

Isoelectric Point (pI)8.35

Net Charge (pH 7.0)0.94

Net Charge (pH 7.4) 0.62

Charge Density (pH 7.0) 0.0261

GRAVY Index-1.04

Hydrophobic Moment 0.73

Boman Index-0.14

Instability Index79.73

Aliphatic Index 59.72

Aromaticity 0.1111

Extinction Coeff. Reduced 5960.00

Extinction Coeff. Oxidized 5960.00

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

Amino Acid Composition

TPSA 1680.94

LogP -12.94

H-bond Donors 56.0

H-bond Acceptors 57.0

Rotatable Bonds 127.0

Heavy Atoms 298.0

Ring Count 12.0

Amide Bonds 37.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0129581 VERIFIED: NO

Provenance & Taxonomy

OrganismBrachydanio rerio,Danio rerio [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0207133 VERIFIED: YES

Provenance & Taxonomy

OrganismSinocyclocheilus rhinocerous [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)