Time-resolved serial femtosecond crystallography at the European XFEL

Pandey, Suraj; Bean, Richard; Sato, Tokushi; Poudyal, Ishwor; Bielecki, Johan; Villarreal, Jorvani Cruz; Yefanov, Oleksandr; Mariani, Valerio; White, Thomas A.; Kupitz, Christopher; Hunter, Mark S.; Abdellatif, Mohamed Mehawed; Bajt, Saša; Bondar, V. A.; Echelmeier, Austin; Doppler, Diandra; Emons, Moritz; Frank, Matthias; Fromme, Raimund; Gevorkov, Y.; Giovanetti, Gabriele; Jiang, Ming; Kim, Daihyun; Kim, Yoonhee; Kirkwood, Henry; Klimovskaia, Anna; Knoška, J.; Koua, Faisal Hammad Mekky; Letrun, Romain; Lisova, Stella; Maia, Luis; Mazalova, V. L.; Meza, Domingo; Michelat, Thomas; Ourmazd, A.; Palmer, Guido; Ramilli, Marco; Schubert, Robin; Schwander, Peter; Silenzi, A.; Sztuk-Dambietz, J.; Tolstikova, A.; Chapman, Henry N.; Ros, Alexandra; Barty, Anton; Fromme, Petra; Mancuso, Adrian P.; Schmidt, Marius

doi:10.1038/s41592-019-0628-z

Cited by 145 publications

(138 citation statements)

References 75 publications

(150 reference statements)

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“…From these, it becomes evident that spacing the X-ray pulses closely in time has essentially no impact on the quality of the structures determined from them [64,66,67]. For the first time-resolved crystallographic experiment at the EuXFEL [68] 176 pulses were provided for in each train, hence the average pulse rate was 1760 s −1 . The MHz rates cause substantial challenges.…”

Section: High Repetition Rate Xfelsmentioning

confidence: 99%

“…Such an engineering marvel is available at the EuXFEL [69] and enables time-resolved serial femtosecond crystallographic (TR-SFX) [25] experiments at the SPB/SFX [70] and the FXE instruments [60]. A pump-probe TR-SFX experiment [68] was recently performed at the SPB/SFX instrument. It covered a previously unexplored time range in the photocycle of the photoactive yellow protein (PYP) [25,68,[71][72][73].…”

Section: High Repetition Rate Xfelsmentioning

confidence: 99%

“…A pump-probe TR-SFX experiment [68] was recently performed at the SPB/SFX instrument. It covered a previously unexplored time range in the photocycle of the photoactive yellow protein (PYP) [25,68,[71][72][73]. The main challenge was that the GDVN must transport a once-excited jet volume entirely out of the X-ray interaction region before the next optical laser pulse excites a new volume.…”

Section: High Repetition Rate Xfelsmentioning

confidence: 99%

“…Contrary to TR-FSX experiments, where the excited jet volumes must first leave the X-ray interaction region, mix-and-inject experiments can utilize the maximum permissible X-ray pulse rate for optimum data collection speed. Still, the jet produced by the mixing device must be fast enough that the gap that is forming in the jet after X-ray exposure [63,67,68] is transported away quickly enough, so that a fresh jet volume is present to interact with the next X-ray pulse. Otherwise the hit rate is decaying considerably, as also experienced in the TR-SFX experiment described above [68].…”

Section: High Repetition Rate Xfelsmentioning

confidence: 99%

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Reaction Initiation in Enzyme Crystals by Diffusion of Substrate

Schmidt

2020

Crystals

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Ever since the first structure of an enzyme, lysozyme, was solved, scientists have been eager to explore how these molecules perform their catalytic function. There has been an overwhelmingly large body of publications that report the X-ray structures of enzymes determined after substrate and ligand binding. None of them truly show the structures of an enzyme working freely through a sequence of events that range from the formation of the enzyme–substrate complex to the dissociation of the product. The technical difficulties were too severe. By 1969, Sluyterman and de Graaf had pointed out that there might be a way to start a reaction in an enzyme crystal by diffusion and following its catalytic cycle in its entirety with crystallographic methods. The crystal only has to be thin enough so that the diffusion is not rate limiting. Of course, the key questions are as follows: How thin should the crystal be? Will the existing X-ray sources be able to collect data from a thin enough crystal fast enough? This review shines light on these questions.

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Section: High Repetition Rate Xfelsmentioning

confidence: 99%

Section: High Repetition Rate Xfelsmentioning

confidence: 99%

Section: High Repetition Rate Xfelsmentioning

confidence: 99%

Section: High Repetition Rate Xfelsmentioning

confidence: 99%

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Reaction Initiation in Enzyme Crystals by Diffusion of Substrate

Schmidt

2020

Crystals

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“…intermediates. [133][134][135] As [FeFe]-hydrogenases are not easily activated, we discuss suitable trigger concepts in the next chapter.…”

Section: Biophysical Investigations In Cristallomentioning

confidence: 99%

New Approaches to an Old Problem: Original Techniques in [FeFe]-hydrogenase Research

Land¹,

Senger²,

Berggren³

et al. 2020

Preprint

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Even 20 years after the first crystal structures of [FeFe]-hydrogenase have been published, several aspects of biological hydrogen turnover are heatedly discussed. In this perspective, we give an overview on how the diversity of naturally occurring and artificially prepared, semi-synthetic [FeFe]-hydrogenases deepens our understanding of hydrogenase chemistry. In parallel, we cover new results from biophysical techniques that go beyond the scope of conventional electrochemistry, X-ray diffraction, EPR, and FTIR spectroscopy. Taking into account both proton transfer and electron transfer as well as the notorious sensitivity of [FeFe]-hydrogenases towards carbon monoxide, the discussion further touches upon the molecular proceedings of biological hydrogen turnover.

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X‐ray Sources, Detectors, and Beamlines

2023

Dynamics and Kinetics in Structural Biology

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Time-resolved serial femtosecond crystallography at the European XFEL

Cited by 145 publications

References 75 publications

Reaction Initiation in Enzyme Crystals by Diffusion of Substrate

Reaction Initiation in Enzyme Crystals by Diffusion of Substrate

New Approaches to an Old Problem: Original Techniques in [FeFe]-hydrogenase Research

X‐ray Sources, Detectors, and Beamlines

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