Peptide Database

Peptide NamePeptide YY [3-36]

Function Ontology

Cardiovascular ▸ Vascular tone modulation ▸ Vasoactive peptide

Cardiovascular ▸ Vascular tone modulation ▸ Vasoconstrictor activity

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC177H272N52O56

DescriptionStandard

        SKPEAPGEDASPEELNRYYASLRHYLNLVTRQRY
    

Molecular Weight4024.37 Da

Isoelectric Point (pI)6.50

Net Charge (pH 7.0)-0.45

Net Charge (pH 7.4) -0.72

Charge Density (pH 7.0) -0.0131

GRAVY Index-1.23

Hydrophobic Moment 0.67

Boman Index-0.29

Instability Index82.91

Aliphatic Index 63.24

Aromaticity 0.1176

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 1777.16

LogP -18.30

H-bond Donors 62.0

H-bond Acceptors 57.0

Rotatable Bonds 128.0

Heavy Atoms 285.0

Ring Count 8.0

Amide Bonds 36.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0108409 VERIFIED: NO

Provenance & Taxonomy

OrganismOryctolagus cuniculus [Animal]

Tax ID9986

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone

RECORD: Rec_0170233 VERIFIED: YES

Provenance & Taxonomy

OrganismOryctolagus cuniculus [Animal]

FamilyPeptide YY

Tax ID9986

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

C-TermAmidation

Other Mods11:Phosphoserine

Bio-Activity Profile

Function

Hormone Endocrine Vasoactive Vasoconstrictor

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour