CA200773 CellAura fluorescent D1 antagonist [SKF83566-green]

Technical documents: SDS Datasheet

Product overview

Name CA200773 CellAura fluorescent D1 antagonist [SKF83566-green]
Biological description Selective fluorescent D1 dopamine receptor antagonist (apparent KD values are 7.09, < 5 and 7.56 for D1, D2 and D5 receptors respectively). Also antagonizes the activity of SKF 83566, a D1 dopamine receptor agonist. Displays no intrinsic agonist activity.
Alternative names CA200773
Purity >97%
Description Fluorescent D1 dopamine receptor antagonist
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Figure 1. D1-SPAP cells assayed against SKF 83566 and 1 µM HB7822
Figure 2. D2-SPAP cells assayed against dopamine and 1 µM HB7822

Fluorescence imaging with HB7822

HB7822 ligand (100 nM) binding to live CHO cells expressing dopamine D1 receptors. Binding blocked by unlabelled competitor SCH 233390 (1 µM) Nuclei counter-stained with Hoechst.
CA200773 CellAura fluorescent D1 antagonist [SKF83566-green]: Scientist Approved
CellAura fluorescent D1 antagonist [SKF83566-green] product vial image | Hello Bio

Biological Data

Application notes For imaging at the D1 receptor use solutions up to 100 nM.
Pharmacological validation The CellAura fluorescent D1 antagonist [SKF83566-green] ligand was shown to antagonize the activity of the D1 agonist, SKF 83566, in a recombinant CHO cell line expressing the human D1 receptor and a cyclic AMP-responsive secreted placental alkaline phosphatase (SPAP) reporter gene. The cyclic AMP-induced expression of SPAP was measured under basal and forskolin-stimulated (maximal) conditions. Addition of CellAura fluorescent D1 antagonist [SKF83566-green] to the basal or forskolin-stimulated cells did not significantly alter basal and stimulated SPAP levels, demonstrating that CellAura fluorescent D1 antagonist [SKF83566-green] has no intrinsic agonist activity. To determine the apparent KD for CellAura fluorescent D1 antagonist [SKF83566-green], cells were treated with varying concentrations of SKF 83566 alone, or in the presence of 1µM CellAura fluorescent D1 antagonist [SKF83566-green], and the cyclic AMP-induced expression of SPAP measured. The apparent KD was calculated from the rightward shift of the agonist response curve in the presence of CellAura fluorescent D1 antagonist [SKF83566-green], compared to the response curve for the agonist alone.

Solubility & Handling

Storage instructions -20°C (protect from light)
Solubility overview Soluble in DMSO
Handling After thawing individual aliquots for use, we recommend briefly sonicating the sample to ensure it is fully dissolved and the solution is homogeneous. We do not recommend using the product after subjecting it to repetitive freeze-thaw cycles.
Shipping conditions The product, supplied in a dry form, is stable at ambient temperature for periods of up to a few days and does not require shipping on ice/dry ice.
Important This product is for RESEARCH USE ONLY and is not intended for therapeutic or diagnostic use. Not for human or veterinary use.



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Chemical Data

Purity >97%
Molecular Weight 877
Source Synthetic
Formulation Lyophilized film
Excitation 488 nm
Emission 525 / 550 nm
These publications cite the use of CA200773 CellAura fluorescent D1 antagonist [SKF83566-green] purchased from Hello Bio:
  • Development and Application of a High-Content Virion Display Human GPCR Array

    Syu et al (2019) Nat Commun 10(1) : 1997
    PubMedID: 31040288
  • Measuring ligand binding kinetics to membrane proteins using virion nano-oscillators.

    Ma et al (2018) J Am Chem Soc doi: 10.1021 : /jacs.8b07461
    PubMedID: 30114365
  • Implementation of fluorescence anisotropy-based assay for the characterization of ligand binding to dopamine D1 receptors

    Dr. Anni Allikalt, Dr. Sergei Kopanchuk, Prof. Dr. Ago Rinken (2018) European Journal of Pharmacology In Press : In Press
  • A dopamine D1 receptor binding assay using bioluminescence resonance energy transfer (BRET) with Nanoluciferase

    Appelhans et al (2018) 7th Focused Meeting on Cell Signalling Poster 19 : 1(abst012P)
  • High Throughput Fluorescence-Based Live Cell Binding Assays For G Protein-Coupled Receptors

    Arruda et al. () Proceedings of the British Pharmacological Society

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