Peptide Database

Peptide NameUnnamed

Function Ontology

Neurological / Signaling ▸ Analgesic/opioid activity ▸ Opioid

Standard StatusStandard

Sequence Length6 amino acids

Chemical FormulaC38H44N6O10

DescriptionStandard

        YPFGFD
    

Molecular Weight744.79 Da

Isoelectric Point (pI)4.30

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.2061

GRAVY Index-0.20

Hydrophobic Moment 0.18

Boman Index0.39

Instability Index81.57

Aliphatic Index 0.00

Aromaticity 0.5000

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 257.56

LogP -0.13

H-bond Donors 8.0

H-bond Acceptors 9.0

Rotatable Bonds 18.0

Heavy Atoms 54.0

Ring Count 4.0

Amide Bonds 5.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0225391 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configsynthetic linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Opioid

Targetmu opioid receptor

Activity0.07 μM

MethodIC50

PaperDooley C.T., Kaplan R.A., Chung N.N., Schiller P.W., Bidlack J.M., Houghten R.A.. Six highly active mu-selective opioid peptides identified from two synthetic combinatorial libraries. Peptide Research, 8, 3, 124-137(1995). PMID7670227 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/7670227/