Peptide Database

Peptide NameCholecystokinin I-12

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC69H95N17O21S2

DescriptionStandard

        INDRDYMGWMDF
    

Molecular Weight1562.72 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.24

Net Charge (pH 7.4) -2.44

Charge Density (pH 7.0) -0.1865

GRAVY Index-0.83

Hydrophobic Moment 0.25

Boman Index-0.05

Instability Index63.23

Aliphatic Index 32.50

Aromaticity 0.2500

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 636.33

LogP -3.61

H-bond Donors 22.0

H-bond Acceptors 21.0

Rotatable Bonds 49.0

Heavy Atoms 109.0

Ring Count 4.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0292924 VERIFIED: NO

Provenance & Taxonomy

OrganismXenopus laevis [Animal]

Tax ID8355

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Hormone