Welcome to the

International Union of Crystallography

The IUCr is an International Scientific Union adhering to the International Science Council. Its objectives are to promote international cooperation in crystallography and to contribute to all aspects of crystallography, to promote international publication of crystallographic research, to facilitate standardization of methods, units, nomenclatures and symbols, and to form a focus for the relations of crystallography to other sciences.

IUCr Newsletter


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Journal of Synchrotron Radiation: open call for new Main Editor to join leadership team

[JSR]The Journal of Synchrotron Radiation (JSR) is one of the 10 leading journals published by the IUCr. In this context, JSR provides comprehensive coverage of the entire field of synchrotron radiation and free-electron laser (FEL) research including instrumentation, theory, computing and scientific applications in areas such as biology, nanoscience and materials science. While presently a hybrid journal with both fully open-access papers and papers accessible on a traditional subscription basis, it is planned that JSR will become a 100% open-access research journal in the near future.

At this time, we seek a new Main Editor of JSR. The successful candidate will work with the existing JSR Main Editors, the entire JSR Editorial Board, its Managing Editor and staff in the IUCr Editorial Office in Chester, UK, as well as the IUCr Journals Editor-in-Chief, to take JSR through this important transition. The successful candidate will help provide dynamic leadership of JSR through a smooth transition to open access while maintaining its leading position in the publication of synchrotron- and FEL-based research across all relevant fields.

In addition to sharing in the editorial workload for papers submitted to JSR, the Main Editors provide leadership for the journal’s Editorial Board, scientific development and welfare. Working with the JSR Managing Editor and staff in Chester, the recently appointed IUCr Journals Commissioning Editors, and the Editor-in-Chief, the JSR Main Editors recruit new Co-editors, commission Lead and Feature Articles, as well as plan or commission Special Issues, including the recruitment of Special Issue Guest Editors. In all these aspects, please note that the IUCr is committed to improving gender and geographical balance while maintaining the highest scientific standards, and everyone associated with IUCr Journals is expected to respect these guidelines.

Appointment criteria for IUCr Journals Main Editors are given here, but some flexibility will be applied in appointing the best possible candidate at this time for what is anticipated to be a key role for pioneering the future of JSR, and IUCr Journals as a whole.

Please write in confidence by 31 August 2020 to the Editor-in-Chief (eic@iucr.org) and Executive Managing Editor (med@iucr.org), enclosing your CV, a list of your 20–25 most important publications, your vision for the future development of JSR in 500 words, and a full list of publications.

Posted 02 Jul 2020 


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Crystallographers unite to tackle coronavirus

With stories about coronavirus dominating the news, it is encouraging to hear that crystallographers around the world are making strong contributions to the efforts to find a vaccine. Here are some that we have heard about. We would be very pleased to hear about more via IUCr social media.

[Jason McLellan Fox News]

At the University of Texas (UT) at Austin, USA, Jason McLellan has used cryo-EM to determine the structure of the coronavirus spike protein. After Chinese scientists released the sequence of the new coronavirus, Dr McLellan and his team engineered a variant of the spike protein to increase its stability and expression for study, and ordered the nucleic acid to be synthesized for the modified spike protein. Within 25 days of receiving the engineered nucleic acid, they cloned the gene, expressed the protein, isolated it, used the UT Austin's cryo-EM facility to determine the structure and submitted their paper to Science, where it has already been published. IUCr Immediate Past President, Marvin Hackert, used the coordinates from Dr McLellan to produce a 3D printed model, which was shown by Dr McLellan on US national news.

Meanwhile, the recent Joint Polish–German Crystallographic Meeting in Wroclaw, Poland, started with a Plenary Lecture by Rolf Hilgenfeld (University of Lübeck, Germany) entitled “From SARS to MERS and the 2020 Wuhan pneumonia virus – How X-ray crystallography can help fight emerging viruses.” Results were presented that had only been obtained that day. More on these stories will be published in the forthcoming issue of the IUCr Newsletter.

IUCr Journals support the policies outlined in the 2016 joint statement on data sharing in public health emergencies, and will ensure that any research findings of relevance are rapidly shared with the World Health Organization. It is recommended that diffraction data related to coronavirus should be deposited as requested in the IUCrJ paper "Findable Accessible Interoperable Re-usable (FAIR) diffraction data are coming to protein crystallography" by J. R. Helliwell, W. Minor, M. S. Weiss, E. F. Garman, R. J. Read, J. Newman, M. J. van Raaij, J. Hajdu and E. N. Baker.

As a resource for coronavirus and COVID-19 research, a virtual issue containing all of the articles and abstracts on coronaviruses published in IUCr journals is available here. Leading this free-to-read collection is a recent Editorial by Ted Baker, written "to applaud the energy and skill of the [SARS-CoV-2] researchers, and their public spirit in sharing their results."

More contributions:









  Updated 19 June 2020 
Posted 28 Feb 2020 


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Registration open for virtual ACA2020 Annual Meeting

[Virtual ACA2020]This year's ACA Annual Meeting will be held online and the programme will include a special COVID-19 session, plenary lectures from 2020 ACA Award winners, invited and contributed talks, poster presentations and workshops. The conference will meet from 11 am to 4 pm EDT on Sunday 2 August through to Friday 7 August. The entire meeting will be streamed live with the ability for question and answer sessions in real time.

Registration is open here. Everyone must submit a registration form (including session chairs, invited speakers, etc.) with the appropriate fee. Registered participants will receive confirmation of registration after completion of the form and payment, and access information will be forwarded to registrants one week before the meeting.

Posted 03 Jun 2020 


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2020 edition of IUCr Crystal growing competition cancelled

We are sorry to announce that due to the current coronavirus pandemic, the 2020 edition of the IUCr Crystal growing competition has been cancelled. The competition will be back in 2021 so please watch this space!

Posted 11 May 2020 


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ACA2020 Annual Meeting moves online

[ACA2020]After careful consideration of the ongoing spread of COVID-19 (coronavirus) both overseas and in the USA, and of resultant government actions, the ACA Council has determined that it is not possible to conduct the ACA2020 Annual Meeting in San Diego, CA, USA, scheduled for 2-7 August 2020. Furthermore, it is not possible for the ACA to reschedule the meeting to a later date in 2020. However, the ACA is planning to hold a virtual meeting with webinars and possibly posters, to be held in the first week of August 2020.

The new meeting programme is being created and soon an updated list of sessions and workshops will be announced. Please check the ACA Meeting page regularly for updates.

Posted 01 May 2020 


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Melbourne Congress and General Assembly of the IUCr

[IUCr2023 logo]As was recently announced, the Prague Congress and General Assembly has been postponed until August 2021 due to the coronavirus pandemic. It was hoped that the Melbourne Congress and General Assembly could be moved from 2023 to 2024, and the organisers were asked to investigate. While the IUCr2023 Local Organising Committee, SCANZ Council and the professional congress organisers were keen to help, they found that the Melbourne Convention & Exhibition Centre was fully booked between July and September 2024, and that the dates that were available were not compatible with university timetables. Furthermore, no viable alternative venues were available during suitable dates. Therefore, the Melbourne Congress and General Assembly will take place in 2023 as originally planned (the proposed dates are 22–29 August), and the quadrennium between Hyderabad and Prague will be followed by a biennium between Prague and Melbourne. Please address any questions to the IUCr Executive Secretary.

Posted 22 Apr 2020