Peptide Database

Peptide NameOrcokinin A 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC58H85N15O21

DescriptionStandard

        AFDSLSAQAFGSQ
    

Molecular Weight1328.38 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-1.20

Net Charge (pH 7.4) -1.39

Charge Density (pH 7.0) -0.0925

GRAVY Index0.12

Hydrophobic Moment 0.20

Boman Index0.20

Instability Index48.35

Aliphatic Index 53.08

Aromaticity 0.1538

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 596.69

LogP -8.58

H-bond Donors 20.0

H-bond Acceptors 20.0

Rotatable Bonds 42.0

Heavy Atoms 94.0

Ring Count 2.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0195845 VERIFIED: NO

Provenance & Taxonomy

OrganismPedetontus okajimae [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide