Characterization of the “Helix Clamp” Motif of HIV-1 Reverse Transcriptase Using MALDI-TOF MS and Surface Plasmon Resonance

2000 ◽  
Vol 72 (11) ◽  
pp. 2635-2640 ◽  
Author(s):  
Shanhua Lin ◽  
Sheree Long ◽  
Suzanne M. Ramirez ◽  
Robert J. Cotter ◽  
Amina S. Woods
2001 ◽  
Vol 7 (4-5) ◽  
pp. 385-391 ◽  
Author(s):  
Carsten P. Sönksen ◽  
Peter Roepstorff ◽  
Per-Olof Markgren ◽  
U. Helena Danielson ◽  
Markku D. Hämäläinen ◽  
...  

The combination of biomolecular interaction analysis (BIA)by surface plasmon resonance (SPR)and nano-electrospray ionization ion trap mass spectrometry (nanoESI-Ion Trap MS)as well as matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-ToF MS)is demonstrated for the binding of low molecular weight inhibitors (∼ 600 Da) to HIV-1 protease. Inhibitors were captured on sensor chips of a manual or an automated SPR biosensor, to which HIV-1 protease was immobilized. Compounds and buffer components that bound unspecifically to the sensor surface were removed and the inhibitors were eluted in a minimal volume (3 μL), between air bubbles, in order to prevent dispersion of analyte into buffer eluent. Molecular weights were subsequently determined by mass spectrometry, structural information was obtained by MALDI-ToF post-source decay as well as by electrospray ionization tandem mass spectrometry (MS/MS)analysis. Furthermore, competition experiments, using a mixture of different ligands, demonstrated that the peak intensities in the MALDI-ToF spectrum could be used for relative quantification of the amount of the different ligands bound to the immobilized target. Methodology for automated capture and elution of analytes was developed and evaluated.


1996 ◽  
Vol 110 (1) ◽  
pp. 231-240 ◽  
Author(s):  
Bernd Trathnigg ◽  
Bernhard Maier ◽  
Günther Schulz ◽  
Ralph-Peter Krüger ◽  
Ulrich Just
Keyword(s):  

Langmuir ◽  
2006 ◽  
Vol 22 (1) ◽  
pp. 13-17 ◽  
Author(s):  
Taewook Kang ◽  
Surin Hong ◽  
Hyun Jin Kim ◽  
Jungwoo Moon ◽  
Seogil Oh ◽  
...  

2012 ◽  
Vol 45 (24) ◽  
pp. 9779-9790 ◽  
Author(s):  
Haitham Barqawi ◽  
Elena Ostas ◽  
Bo Liu ◽  
Jean-François Carpentier ◽  
Wolfgang H. Binder

2010 ◽  
Vol 114 (8) ◽  
pp. 3346-3353 ◽  
Author(s):  
Sabine Szunerits ◽  
Slimane Ghodbane ◽  
Joanna Niedziółka-Jönsson ◽  
Elisabeth Galopin ◽  
Frederik Klauser ◽  
...  

Bioanalysis ◽  
2017 ◽  
Vol 9 (2) ◽  
pp. 193-207 ◽  
Author(s):  
Jia Duo ◽  
JoAnne Bruno ◽  
Steven Piccoli ◽  
Binodh DeSilva ◽  
Yan J Zhang

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