Aptamer-ligand recognition studied by native ion mobility-mass spectrometry
The range of applications for aptamers, small oligonucleotide-based receptors binding to
their targets with high specificity and affinity, has been steadily expanding. Our …
their targets with high specificity and affinity, has been steadily expanding. Our …
Native electrospray ionization mass spectrometry reveals multiple facets of aptamer–ligand interactions: from mechanism to binding constants
B Gülbakan, K Barylyuk, P Schneider… - Journal of the …, 2018 - ACS Publications
Aptamers are oligonucleotide receptors obtained through an iterative selection process from
random-sequence libraries. Though many aptamers for a broad range of targets with high …
random-sequence libraries. Though many aptamers for a broad range of targets with high …
Electrospray ionization of nucleic acid aptamer/small molecule complexes for screening aptamer selectivity
KM Keller, MM Breeden, J Zhang… - Journal of mass …, 2005 - Wiley Online Library
Molecular recognition of small molecule ligands by the nucleic acid aptamers for tobramycin,
ATP, and FMN has been examined using electrospray ionization mass spectrometry (ESI …
ATP, and FMN has been examined using electrospray ionization mass spectrometry (ESI …
Optimizing stem length to improve ligand selectivity in a structure-switching cocaine-binding aptamer
Understanding how aptamer structure and function are related is crucial in the design and
development of aptamer-based biosensors. We have analyzed a series of cocaine-binding …
development of aptamer-based biosensors. We have analyzed a series of cocaine-binding …
Exploring the Landscape of Aptamers: From Cross-Reactive to Selective to Specific, High-Affinity Receptors for Cocaine
We reported over 20 years ago MNS-4.1, the first DNA aptamer with a micromolar affinity for
cocaine. MNS-4.1 is based on a structural motif that is very common in any random pool of …
cocaine. MNS-4.1 is based on a structural motif that is very common in any random pool of …
Quinine binding by the cocaine-binding aptamer. Thermodynamic and hydrodynamic analysis of high-affinity binding of an off-target ligand
O Reinstein, M Yoo, C Han, T Palmo, SA Beckham… - Biochemistry, 2013 - ACS Publications
The cocaine-binding aptamer is unusual in that it tightly binds molecules other than the
ligand it was selected for. Here, we study the interaction of the cocaine-binding aptamer with …
ligand it was selected for. Here, we study the interaction of the cocaine-binding aptamer with …
Do aptamers always bind? The need for a multifaceted analytical approach when demonstrating binding affinity between aptamer and low molecular weight …
F Bottari, E Daems, AM de Vries… - Journal of the …, 2020 - ACS Publications
In this manuscript, we compare different analytical methodologies to validate or disprove the
binding capabilities of aptamer sequences. This was prompted by the lack of a universally …
binding capabilities of aptamer sequences. This was prompted by the lack of a universally …
Unraveling the binding mode of a methamphetamine aptamer: A spectroscopic and calorimetric study
Nucleic-acid aptamers are bio-molecular recognition agents that bind to their targets with
high specificity and affinity and hold promise in a range of biosensor and therapeutic …
high specificity and affinity and hold promise in a range of biosensor and therapeutic …
Systematically Modulating Aptamer Affinity and Specificity by Guanosine-to-Inosine Substitution
BA Manuel, SA Sterling, AA Sanford… - Analytical …, 2022 - ACS Publications
Aptamers are widely used in small molecule detection applications due to their specificity,
stability, and cost effectiveness. One key challenge in utilizing aptamers in sensors is …
stability, and cost effectiveness. One key challenge in utilizing aptamers in sensors is …
Defining a stem length-dependent binding mechanism for the cocaine-binding aptamer. A combined NMR and calorimetry study
MAD Neves, O Reinstein, PE Johnson - Biochemistry, 2010 - ACS Publications
We have used a combined approach of NMR spectroscopy and isothermal titration
calorimetry (ITC) to determine the ligand-binding mechanism employed by a cocaine …
calorimetry (ITC) to determine the ligand-binding mechanism employed by a cocaine …