Peptide Database

Peptide NameCholecystokinin II-33

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Standard StatusStandard

Sequence Length33 amino acids

Chemical FormulaC174H257N51O49S2

DescriptionStandard

        AGPSGRYVVLPNRPIFDQSHRINDRDYMGWMDF
    

Molecular Weight3911.34 Da

Isoelectric Point (pI)6.80

Net Charge (pH 7.0)-0.11

Net Charge (pH 7.4) -0.36

Charge Density (pH 7.0) -0.0035

GRAVY Index-0.74

Hydrophobic Moment 0.64

Boman Index-0.11

Instability Index61.64

Aliphatic Index 56.06

Aromaticity 0.1515

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 8480.00

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

Amino Acid Composition

TPSA 1619.61

LogP -14.67

H-bond Donors 56.0

H-bond Acceptors 52.0

Rotatable Bonds 121.0

Heavy Atoms 276.0

Ring Count 10.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0106479 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