Peptide Database

Peptide NameCholecystokinin II-49

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length49 amino acids

Chemical FormulaC253H390N76O72S2

DescriptionStandard

        SNIGNALVKYLQQSRKAGPSGRYVVLPNRPIFDQSHRINDRDYMGWMDF
    

Molecular Weight5712.40 Da

Isoelectric Point (pI)9.81

Net Charge (pH 7.0)2.55

Net Charge (pH 7.4) 2.28

Charge Density (pH 7.0) 0.0520

GRAVY Index-0.73

Hydrophobic Moment 0.64

Boman Index-0.14

Instability Index74.90

Aliphatic Index 69.59

Aromaticity 0.1224

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 2432.20

LogP -24.74

H-bond Donors 84.0

H-bond Acceptors 78.0

Rotatable Bonds 186.0

Heavy Atoms 403.0

Ring Count 11.0

Amide Bonds 55.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0044274 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