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Batch crystallization of rhodopsin for structural dynamics using an X-ray free-electron laser

Journal Article · · Acta crystallographica. Section F, Structural biology communications
A new batch preparation method is presented for high-density micrometre-sized crystals of the G protein-coupled receptor rhodopsin for use in time-resolved serial femtosecond crystallography at an X-ray free-electron laser using a liquid jet. Rhodopsin is a membrane protein from the G protein-coupled receptor family. Together with its ligand retinal, it forms the visual pigment responsible for night vision. In order to perform ultrafast dynamics studies, a time-resolved serial femtosecond crystallography method is required owing to the nonreversible activation of rhodopsin. In such an approach, microcrystals in suspension are delivered into the X-ray pulses of an X-ray free-electron laser (XFEL) after a precise photoactivation delay. Here, a millilitre batch production of high-density microcrystals was developed by four methodical conversion steps starting from known vapour-diffusion crystallization protocols: (i) screening the low-salt crystallization conditions preferred for serial crystallography by vapour diffusion, (ii) optimization of batch crystallization, (iii) testing the crystal size and quality using second-harmonic generation (SHG) imaging and X-ray powder diffraction and (iv) production of millilitres of rhodopsin crystal suspension in batches for serial crystallography tests; these crystals diffracted at an XFEL at the Linac Coherent Light Source using a liquid-jet setup.
OSTI ID:
22389083
Journal Information:
Acta crystallographica. Section F, Structural biology communications, Journal Name: Acta crystallographica. Section F, Structural biology communications Journal Issue: Pt 7 Vol. 71; ISSN ACSFEN; ISSN 2053-230X
Country of Publication:
United States
Language:
English

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Cited By (13)

Time-resolved structural studies with serial crystallography: A new light on retinal proteins journal June 2015
Protein crystal screening and characterization for serial femtosecond nanocrystallography journal May 2016
On-chip crystallization for serial crystallography experiments and on-chip ligand-binding studies journal June 2019
Strategies for sample delivery for femtosecond crystallography journal February 2019
Time-resolved structural studies with serial crystallography: A new light on retinal proteins text January 2015
Perspective: Opportunities for ultrafast science at SwissFEL text January 2017
Protein crystal screening and characterization for serial femtosecond nanocrystallography text January 2023
Strategies for sample delivery for femtosecond crystallography text January 2019
Linac Coherent Light Source: The first five years journal March 2016
Perspective: Opportunities for ultrafast science at SwissFEL journal November 2017
On-chip crystallization for serial crystallography experiments and on-chip ligand-binding studies text January 2019
On-chip crystallization for serial crystallography experiments and on-chip ligand-binding studies text January 2019
Perspective: Opportunities for ultrafast science at SwissFEL text January 2017

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