Peptide Database

Peptide NameCholecystokinin-26

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological regulation

Reproductive biology ▸ Reproductive modulation

Standard StatusStandard

Sequence Length26 amino acids

Chemical FormulaC133H204N40O40S2

DescriptionStandard

        SPSPKSKSMGNNHRIKDRDYLGWMDF
    

Molecular Weight3067.42 Da

Isoelectric Point (pI)9.52

Net Charge (pH 7.0)1.55

Net Charge (pH 7.4) 1.28

Charge Density (pH 7.0) 0.0595

GRAVY Index-1.38

Hydrophobic Moment 0.31

Boman Index-0.30

Instability Index52.35

Aliphatic Index 30.00

Aromaticity 0.1154

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 1318.80

LogP -14.67

H-bond Donors 46.0

H-bond Acceptors 45.0

Rotatable Bonds 101.0

Heavy Atoms 215.0

Ring Count 7.0

Amide Bonds 27.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0257548 VERIFIED: YES

Provenance & Taxonomy

OrganismCarassius auratus [Animal]

FamilyCholecystokinin

Tax ID7957

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

C-TermAmidation

Other Mods20:Sulfotyrosine

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Metabolic regulation Physiological regulation Reproductive regulator Myotropic Feeding regulator

Half-LifeMammalian: 1.9 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0335841 VERIFIED: NO