Fluorescence anisotropy assay for pharmacological characterization of ligand binding dynamics to melanocortin 4 receptors

S Veiksina, S Kopanchuk, A Rinken - Analytical biochemistry, 2010 - Elsevier
Fluorescence anisotropy assay was implemented for characterization of ligand binding
dynamics to melanocortin 4 (MC 4 ) receptors. This approach enables on-line monitoring of …

[HTML][HTML] Budded baculoviruses as a tool for a homogeneous fluorescence anisotropy-based assay of ligand binding to G protein-coupled receptors: The case of …

S Veiksina, S Kopanchuk, A Rinken - Biochimica et Biophysica Acta (BBA) …, 2014 - Elsevier
We present here the implementation of budded baculoviruses that display G protein-coupled
receptors on their surfaces for the investigation of ligand–receptor interactions using …

Homogeneous Fluorescence Anisotropy-Based Assay for Characterization of Ligand Binding Dynamics to GPCRs in Budded Baculoviruses: The Case of Cy3B-NDP …

S Veiksina, S Kopanchuk, O Mazina, R Link… - G protein-coupled …, 2015 - Springer
Despite the availability of numerous conceptually different approaches for the characterization
of ligand-receptor interactions, there remains a great requirement for complementary …

Kinetic evidence for tandemly arranged ligand binding sites in melanocortin 4 receptor complexes

S Kopanchuk, S Veiksina, F Mutulis, I Mutule… - Neurochemistry …, 2006 - Elsevier
The melanocortin 4 receptor (MC 4 R) binding of the peptide analogue of melanocyte
stimulating hormone, [ 125 I]NDP-MSH, and the low molecular weight radionucleid 1-(d-1,2,3,4-…

Co-operative regulation of ligand binding to melanocortin receptor subtypes: evidence for interacting binding sites

S Kopanchuk, S Veiksina, R Petrovska, I Mutule… - European journal of …, 2005 - Elsevier
This study evaluates the binding the melanocyte stimulating hormone peptide analogue [
125 I]NDP-MSH to melanocortin receptors MC 1 , MC 3 , MC 4 and MC 5 in insect cell …

Proteochemometric mapping of the interaction of organic compounds with melanocortin receptor subtypes

M Lapinsh, S Veiksina, S Uhlén, R Petrovska… - Molecular …, 2005 - ASPET
Proteochemometrics was applied in the analysis of the binding of organic compounds to
wild-type and chimeric melanocortin receptors. Thirteen chimeric melanocortin receptors were …

Budded baculoviruses as a receptor display system to quantify ligand binding with TIRF microscopy

T Laasfeld, R Ehrminger, MJ Tahk, S Veiksina… - Nanoscale, 2021 - pubs.rsc.org
Studying mechanisms of receptor–ligand interactions has remained challenging due to several
limitations of different measurement methods. Here we present a total internal reflection …

Melanocortin receptors: ligands and proteochemometrics modeling

…, F Mutulis, I Mutule, S Veiksina… - Annals of the New …, 2003 - Wiley Online Library
The melanocortin receptors exist in five subtypes, MC 1–5 R. These receptors participate in
important regulations of the immune system, central behavior, and endocrine and exocrine …

The constitutive activity of melanocortin‐4 receptors in cAMP pathway is allosterically modulated by zinc and copper ions

R Link, S Veiksina, MJ Tahk, T Laasfeld… - Journal of …, 2020 - Wiley Online Library
Melanocortin‐4 receptors (MC 4 R) are unique among G‐protein‐coupled receptors (GPCRs)
as they have endogenous ligands that can exhibit inverse agonistic properties in the case …

Dynamics of ligand binding to GPCR: Residence time of melanocortins and its modulation

A Rinken, S Veiksina, S Kopanchuk - Pharmacological Research, 2016 - Elsevier
Ligand binding dynamics and the concept of drug-target residence time are essential factors
in the development of novel drugs. Conventional ligand binding assays, which usually …