Peptide Database

Peptide NameOctapeptide OP

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC41H74N12O11

DescriptionStandard

        RPGLLDLK
    

Molecular Weight911.10 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0950

GRAVY Index-0.31

Hydrophobic Moment 0.40

Boman Index-0.14

Instability Index22.21

Aliphatic Index 146.25

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 383.45

LogP -2.07

H-bond Donors 13.0

H-bond Acceptors 12.0

Rotatable Bonds 30.0

Heavy Atoms 64.0

Ring Count 1.0

Amide Bonds 7.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0096958 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0346566 VERIFIED: YES

Provenance & Taxonomy

OrganismUnknown [Animal]

FamilyOctapeptide OP

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

Half-LifeMammalian: 1 hour; Yeast: 2 min; E. coli: 2 min