Peptide Database

Peptide NameOrcokinin A 2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC74H107N21O22

DescriptionStandard

        NFDEIDRAGFGRFV
    

Molecular Weight1642.77 Da

Isoelectric Point (pI)4.56

Net Charge (pH 7.0)-1.23

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0882

GRAVY Index-0.35

Hydrophobic Moment 0.44

Boman Index-0.06

Instability Index15.74

Aliphatic Index 55.71

Aromaticity 0.2143

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 720.41

LogP -6.37

H-bond Donors 25.0

H-bond Acceptors 21.0

Rotatable Bonds 53.0

Heavy Atoms 117.0

Ring Count 3.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0082595 VERIFIED: NO

Provenance & Taxonomy

OrganismPedetontus okajimae [Animal]; Machilis hrabei [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide