Peptide Database

Peptide NameCCK58 (Cholecystokinin 58)

Function Ontology

Digestion stimulation

Standard StatusStandard

Sequence Length58 amino acids

Chemical FormulaC286H459N91O83S3

DescriptionStandard

        AQKVNSGEPRAHLGALLARYIQQARKAPSGRMSVIKNLQNLDPSHRISDRDYMGWMDF
    

Molecular Weight6596.46 Da

Isoelectric Point (pI)10.15

Net Charge (pH 7.0)3.97

Net Charge (pH 7.4) 3.67

Charge Density (pH 7.0) 0.0685

GRAVY Index-0.70

Hydrophobic Moment 0.67

Boman Index-0.16

Instability Index41.06

Aliphatic Index 74.14

Aromaticity 0.0690

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 2848.00

LogP -30.69

H-bond Donors 99.0

H-bond Acceptors 92.0

Rotatable Bonds 221.0

Heavy Atoms 463.0

Ring Count 10.0

Amide Bonds 64.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0117691 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermAmidation

Bio-Activity Profile

Function

Digestion stimulation

MethodRadioimmunoassay and HPLC

Half-LifeNormal Human plasma, in vitro; 2700 s