Peptide Database

Peptide NameProenkephalin-A fragment 8

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC53H87N13O22

DescriptionStandard

        SPQLEDEAKEL
    

Molecular Weight1258.33 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-3.53

Net Charge (pH 7.4) -3.75

Charge Density (pH 7.0) -0.3210

GRAVY Index-1.31

Hydrophobic Moment 0.42

Boman Index-0.25

Instability Index84.05

Aliphatic Index 80.00

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 584.07

LogP -5.68

H-bond Donors 18.0

H-bond Acceptors 19.0

Rotatable Bonds 43.0

Heavy Atoms 88.0

Ring Count 1.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0155143 VERIFIED: NO

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

Tax ID10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide