Peptide Database

Peptide NameCallisulfakinin-2

Function Ontology

Gastrointestinal bioactivity

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC73H98N20O25S

DescriptionStandard

        GGEEQFDDYGHMRF
    

Molecular Weight1687.74 Da

Isoelectric Point (pI)4.31

Net Charge (pH 7.0)-3.15

Net Charge (pH 7.4) -3.41

Charge Density (pH 7.0) -0.2247

GRAVY Index-1.44

Hydrophobic Moment 0.35

Boman Index-0.17

Instability Index41.74

Aliphatic Index 0.00

Aromaticity 0.2143

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 744.72

LogP -7.04

H-bond Donors 25.0

H-bond Acceptors 24.0

Rotatable Bonds 55.0

Heavy Atoms 119.0

Ring Count 4.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0407696 VERIFIED: YES

Provenance & Taxonomy

OrganismDelia radicum [Animal]

FamilyGastrin/cholecystokinin

Tax ID30064

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone Gastrointestinal Neuropeptide

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