Peptide Database

Peptide NameOpioid peptide

Function Ontology

Immunology ▸ Immune modulation ▸ Immunomodulatory activity

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Analgesic/opioid activity ▸ Analgesic

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Neurological / Signaling ▸ Pain modulation ▸ Pronociceptive activity

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC56H85N11O12S

DescriptionStandard

        LVVYPWTKM
    

Molecular Weight1136.41 Da

Isoelectric Point (pI)8.59

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0842

GRAVY Index0.63

Hydrophobic Moment 0.32

Boman Index0.39

Instability Index30.54

Aliphatic Index 107.78

Aromaticity 0.2222

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 369.60

LogP 1.08

H-bond Donors 13.0

H-bond Acceptors 14.0

Rotatable Bonds 32.0

Heavy Atoms 80.0

Ring Count 4.0

Amide Bonds 8.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0165242 VERIFIED: YES

Provenance & Taxonomy

OrganismAmblyomma testudinarium [Animal]

FamilyOpioid peptide

Tax ID375577

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Analgesic Pronociceptive Metabolic regulation Physiological regulation Immunomodulatory Feeding regulator

Half-LifeMammalian: 5.5 hour; Yeast: 3 min; E. coli: 2 min

RECORD: Rec_0243098 VERIFIED: NO