Peptide Database

Peptide NameCholecystokinin 1

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC82H108N22O21

DescriptionStandard

        RGAWYYDYGLGGGRF
    

Molecular Weight1737.87 Da

Isoelectric Point (pI)8.50

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0505

GRAVY Index-0.73

Hydrophobic Moment 0.34

Boman Index0.06

Instability Index32.82

Aliphatic Index 32.67

Aromaticity 0.3333

Extinction Coeff. Reduced 9970.00

Extinction Coeff. Oxidized 9970.00

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

Amino Acid Composition

TPSA 708.30

LogP -4.78

H-bond Donors 27.0

H-bond Acceptors 22.0

Rotatable Bonds 51.0

Heavy Atoms 125.0

Ring Count 6.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0371644 VERIFIED: NO

Provenance & Taxonomy

OrganismSepia officinalis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide