Peptide Database

Peptide NameCholecystokinin-69

Function Ontology

Hormonal / Endocrine ▸ Hormone peptide

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological regulation

Reproductive biology ▸ Reproductive modulation

Standard StatusStandard

Sequence Length69 amino acids

Chemical FormulaC334H541N103O108S2

DescriptionStandard

        HTRAAPSSGQLSLLSKAEDDEEPRSSLTELLARIISTKGTYRRSPSPKSKSMGNNHRIKDRDYLGWMDF
    

Molecular Weight7791.62 Da

Isoelectric Point (pI)9.60

Net Charge (pH 7.0)2.94

Net Charge (pH 7.4) 2.62

Charge Density (pH 7.0) 0.0427

GRAVY Index-0.99

Hydrophobic Moment 0.61

Boman Index-0.26

Instability Index64.16

Aliphatic Index 62.32

Aromaticity 0.0580

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 3452.39

LogP -42.47

H-bond Donors 124.0

H-bond Acceptors 115.0

Rotatable Bonds 263.0

Heavy Atoms 547.0

Ring Count 11.0

Amide Bonds 71.0

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_0390571 VERIFIED: YES

Provenance & Taxonomy

OrganismCarassius auratus [Animal]

FamilyCholecystokinin

Tax ID7957

Structure & Mods

Configlinear peptide [Linear]

Chiralitynoncanonical stereochemical modification [Modified]

C-TermAmidation

Other Mods63:Sulfotyrosine

Bio-Activity Profile

Function

Hormone Endocrine Neuropeptide Neuromodulator Metabolic regulation Physiological regulation Reproductive regulator Myotropic Feeding regulator

Half-LifeMammalian: 3.5 hour; Yeast: 10 min; E. coli: >10 hour