Peptide Database

Peptide NameCardioactive peptide Ocp-3/Ocp-4

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length4 amino acids

Chemical FormulaC20H25N5O8

DescriptionStandard

        GSWD
    

Molecular Weight463.44 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) -0.3089

GRAVY Index-1.40

Hydrophobic Moment 0.19

Boman Index0.05

Instability Index7.50

Aliphatic Index 0.00

Aromaticity 0.2500

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 223.94

LogP -2.32

H-bond Donors 8.0

H-bond Acceptors 7.0

Rotatable Bonds 12.0

Heavy Atoms 33.0

Ring Count 2.0

Amide Bonds 3.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0211408 VERIFIED: YES

Provenance & Taxonomy

OrganismCallistoctopus minor [Animal]

FamilyCardioactive peptide Ocp-3/Ocp

Tax ID515824

Structure & Mods

Configlinear peptide [Linear]

ChiralityD-residue-containing modified peptide [Mixed]

Other Mods2:D-serine (Ser)

Bio-Activity Profile

Function

Hormone Endocrine

Half-LifeMammalian: 30 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0422433 VERIFIED: NO

Provenance & Taxonomy

OrganismOctopus minor [Animal]; Sepia officinalis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide