Peptide Database

Peptide NameOrcokinin

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Invertebrate neuropeptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC58H85N15O19S

DescriptionStandard

        FDEIDRAGMGFA
    

Molecular Weight1328.45 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.23

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1862

GRAVY Index-0.02

Hydrophobic Moment 0.60

Boman Index0.13

Instability Index29.22

Aliphatic Index 49.17

Aromaticity 0.1667

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 557.22

LogP -4.60

H-bond Donors 19.0

H-bond Acceptors 18.0

Rotatable Bonds 43.0

Heavy Atoms 93.0

Ring Count 2.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0240252 VERIFIED: YES

Provenance & Taxonomy

OrganismPenaeus vannamei [Animal]

FamilyOrcokinin

Tax ID6689

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Myotropic

Half-LifeMammalian: 1.1 hour; Yeast: 3 min; E. coli: 2 min

RECORD: Rec_0297218 VERIFIED: YES