Reposted by @helliwelljohn.bsky.socialMike Glazer @glazer1.bsky.social · 30/09/2026For those interested in cryocrystallography I have written an article for the @IUCr newsletter on the history of the Cryostream. See www.iucr.org/news/newslet.... 083
Reposted by @helliwelljohn.bsky.socialSt Andrews X-Ray Crystallography @standrewsxray.bsky.social · 29/09/2026The @crystallography.org.uk Chemical Crystallography Group Autumn Meeting is being held online on October 27th, registration is open. The theme is Crystallography Under Non-Ambient Conditions. Abstracts for presentation welcome, including from Early Stage Crystallographers. @escg-bca.bsky.social 049
Reposted by @helliwelljohn.bsky.socialSt Andrews X-Ray Crystallography @standrewsxray.bsky.social · 22/09/2026If you're at an early career stage, working in crystallography, you may be interested in the ECA's Women in Crystallography grants (ecanews.org/financial-su...), for meeting attendance. Current applications close September 30th. @crystallography.org.uk @escg-bca.bsky.social @yc-dgk.bsky.social 002
Reposted by @helliwelljohn.bsky.socialMike Glazer @glazer1.bsky.social · 03/09/2026The latest issue of the @IUCr #crystallography Newsletter is now available at www.iucr.org/news/newslet... Note nice new style format. 021
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 28/08/2026iucrdata.iucr.org/x/issues/202... Published today in @iucrdata.iucr.orgiucrdata.iucr.orgDeveloped community standards on setting the diffraction resolution yields improved density maps and a new monosaccharide model in pdb_00004ddaA query over the electron density fit of a monosaccharide in pdb_00004dda was resolved through applying the data metrics of the raw diffraction data processing that have evolved though the decade sinc... 000
Reposted by @helliwelljohn.bsky.socialStructural Biology Communications @actacrystf.iucr.org · 24/08/2026We would like to invite you to share protocols that will be useful to the community, and help maintain Acta Crystallographica Section F and and the other IUCr Journals as important references for how structural biology research is performed doi.org/10.1107/S205... 065
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 21/08/2026Coming soon in @iucrdata.iucr.org 000
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 15/08/2026#IUCr2026 Poster “Are you an Open Science scientist?” @iucr2026.bsky.social 010
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 15/08/2026#IUCr2026 Poster on raw data sharing at scale for definitive protein structures @iucr2026.bsky.social 000
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 14/08/2026An interesting indeed visually striking hotel carpet at Hotel Arts Calgary here at IUCr 2026. #hotelcarpets @scurry.bsky.social @walshdls.bsky.social 110
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 05/08/2026@cryst-rev.bsky.social Several new book reviews in Crystallography Reviews www.tandfonline.com/action/showA... spanning primary school science education, maths for biosciences, powder diffraction and molecular drug discovery.tandfonline.comLatest articles from Crystallography ReviewsBrowse the latest articles and research from Crystallography Reviews 011
Reposted by @helliwelljohn.bsky.socialStructural Biology Communications @actacrystf.iucr.org · 30/07/2026A new type of article for Acta F: Protocols The purpose of this new category is to provide to the reader procedures that are sufficiently detailed so other researchers can reproduce the described workflow. Find out more in 'Show me how it's done: introducing Protocols': doi.org/10.1107/S205... 0128
Reposted by @helliwelljohn.bsky.socialStructural Biology Communications @actacrystf.iucr.org · 29/07/2026We're celebrating 20 years of Acta Crystallographica Section F!🎉🥳 Join us by contributing to our celebratory collection of articles, which is now open for submissions! Find out more at journals.iucr.org/special_issu... 089
Reposted by @helliwelljohn.bsky.socialIUCr2026 @iucr2026.bsky.social · 21/07/2026Poster Judges Needed for IUCr 2026! We're still looking for volunteers to judge poster presentations at IUCr 2026. If you're a senior PhD student or above and your own poster is not being judged, we'd greatly appreciate your support. Sign up by July 31: forms.gle/uZNrws4VyB... 013
Reposted by @helliwelljohn.bsky.socialRCSB Protein Data Bank @rcsbpdb.bsky.social · 20/07/2026Meet RCSB PDB at #TheProteinSociety Catch up on recent developments in the poster session on Tues July 21, and join us in celebrating new Protein Society Fellows Stephen Burley and Helen Berman #PS40rcsb.orgMeet RCSB PDB at The Protein SocietyCatch up on recent developments in the poster session, and join us in celebrating new Protein Society Fellows Stephen Burley and Helen Berman. 021
Reposted by @helliwelljohn.bsky.socialRCSB Protein Data Bank @rcsbpdb.bsky.social · 06/07/2026Dr. Ian David Brown died peacefully on June 29, 2026, He was a co-author of the original CIF paper and first Chair of COMCIFS. www.dundastoday.com/... acas.memberclicks.ne... dundastoday.comBROWN, Ian DavidDavid died peacefully on June 29, 2026 in Hamilton after a full 94 years. A scientist by nature and by profession, he led a life of much curiosity 022
Reposted by @helliwelljohn.bsky.socialACA: The Structural Science Society @acastructuralsci.bsky.social · 04/07/2026We are saddened by the passing of longtime ACA member Dr. Ian David Brown, known to friends and colleagues as David. A pioneer of the bond valence model, he will continue to inspire #structualscientists for generations. Read more on the ACA website: www.amercrystalassn.org/index.php?op...amercrystalassn.orgHonoring Dr. I. David Brown: A Lifetime of Scientific Discovery 012
Reposted by @helliwelljohn.bsky.socialStructural Biology @actacrystd.iucr.org · 24/06/2026A comparison between the use of electrons and X-rays for collecting diffraction data from small protein crystals and imaging data from cells and tissues #XRayCrystallography #ElectronCrystallography #ElectronImaging doi.org/10.1107/S205... 022
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 19/06/2026My Feature Article on “Crystallography in Open Science and its open educational resources” now online in @actacrysta.iucr.org @manchester.ac.uk @iucr2026.bsky.social journals.iucr.org/a/issues/202...journals.iucr.orgCrystallography in Open Science and its open educational resourcesOpen Science is the movement to make scientific research, the data and their dissemination available to any member of an inquiring society, from professionals to citizens, irrespective of their econom... 011
Reposted by @helliwelljohn.bsky.socialMike Glazer @glazer1.bsky.social · 17/06/2026The latest issue of the @IUCr Newsletter is now available at www.iucr.org/news/newslet... for everyine interested in the wonderful science of #crystallography. 011
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 05/06/2026My talk on my new book in the IUCr OUP Book series on Wednesday 9am 29th May 2026 Liverpool University, recording and slides, are here:- kurlin.org/macsmin/2026...kurlin.orgProf Vitaliy Kurlin: research and teaching in mathematics and computer scienceProf Vitaliy Kurlin: news, research, papers, teaching 010
Reposted by @helliwelljohn.bsky.socialDavid Aragão 🔶 @aragaod.bsky.social · 04/06/2026⏰ 2 weeks left to apply for the 2026 CCP4-BCA Protein Crystallography Summer School (6–11 Sep, Norwich, UK). Invaluable lectures, hands-on tutorials and networking is waiting for you ☺️ 📅 Applications close 19 June www.jic.ac.uk/event/ccp4-b... #Crystallography #CCP4jic.ac.uk 001
Reposted by @helliwelljohn.bsky.socialThe University of Manchester @manchester.ac.uk · 28/05/2026President and Vice-Chancellor Professor Duncan Ivison has announced that UoM will begin to offer work experience, for all undergraduates. "Every single student [should] have a chance to put their learning into context – it doesn’t matter if you’re a history student or a chemical engineer.” 💡 111
Reposted by @helliwelljohn.bsky.socialStructural Biology @actacrystd.iucr.org · 27/05/2026The Global Phasing workflow derives and executes experimental strategies for macromolecular crystallography #MacromolecularXRayCrystallography #ExperimentalStrategy #Automation doi.org/10.1107/S205... 032
Reposted by @helliwelljohn.bsky.socialIUCr2026 @iucr2026.bsky.social · 22/05/2026The IUCr2026 Speaker & Award Schedule is out! Check out who's taking the stage in Calgary this August! Register now & plan your sessions, workshops, & tours before they fill up! 👉 Schedule: event.fourwaves.com/... 👉 Register: event.fourwaves.com/... #IUCr2026 #Crystallography 012
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 16/05/2026Thank you to my coauthor Stefania Hanau and to @actacrystf.iucr.org 6590 downloads is very satisfying. Thank you to all those readers. 021
Reposted by @helliwelljohn.bsky.socialJon Agirre @glycojones.bsky.social · 12/05/2026It was lovely to chat with Anu and @charliebondxray.bsky.social about PPR proteins, their RNA binding modes and awesome modularity. Please watch, give the IUCr a thumbs up, and add some comments when you have a minute! What would you like to see in these interviews? 054
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 07/05/2026www.tandfonline.com/toc/gcry20/c... New issue now available:-tandfonline.comCrystallography ReviewsVolume 31, Issue 3-4 of Crystallography Reviews 000
Reposted by @helliwelljohn.bsky.socialHelen MC @crystallised-cricket.com · 29/04/2026Calling all crafty crystallographers! Are you going to #IUCr2026? Would you like to have a craft meet up in Calgary? Laura Folkers (at @stoenews.bsky.social) and I are looking to organise a gathering, all crafts welcome! Please fill in the EOI form so we can include you forms.gle/wpTpe4WVsdtY... 21410
Reposted by @helliwelljohn.bsky.socialRCSB Protein Data Bank @rcsbpdb.bsky.social · 24/04/2026Celebrate #DNADay on April 25 Commemorate the anniversaries of the Human Genome Project's completion and the discovery of the DNA double helix with PDB-101 resourcespdb101.rcsb.orgPDB-101: Celebrate DNA Day on April 25PDB-101: Training, Outreach, and Education portal of RCSB PDB 012
Reposted by @helliwelljohn.bsky.socialMike Glazer @glazer1.bsky.social · 17/04/2026The latest issue of the @IUCr Newsletter is now available at www.iucr.org/news/newslet.... 023
Reposted by @helliwelljohn.bsky.socialMike Glazer @glazer1.bsky.social · 07/04/2026The Royal Society film on Kathleen Lonsdale featuring footage from the @IUCr archive, was recently nominated for a Webby Award by the Academy of Digital Arts and Sciences. Voting is open until Thursday 16th April. see tinyurl.com/msddeem8 042
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 03/04/2026Here are my BCA2026 Industrial Group Plenary Lecture slides :- zenodo.org/records/1939...zenodo.orgOpen Science and IndustryAbstract Adding Open Science to the Modern Discovery and Applications Toolbox in Crystallography: Open Science and IndustryJohn R. Helliwell, Department of Chemistry, University of Manchester, UK UNES... 011
Reposted by @helliwelljohn.bsky.socialCCDC Cambridge @ccdc.cam.ac.uk · 31/03/2026A thought‑provoking industrial plenary at the #BCA2026 today from John Helliwell of @manchester.ac.uk. Our standout moment was when he said, “We lead the world in FAIR data through the CCDC.” 🙌 Learn more 👉 www.ccdc.cam.ac.uk/solutions/ab... #Crystallography #Pharma 022
Reposted by @helliwelljohn.bsky.socialIUCrJ @iucrj.iucr.org · 20/03/2026Aurelien Personnaz et al.: AXIS: a Lab-in-the-Loop machine learning approach for automated detection of macromolecular crystals #StructuralBiology #AI #LabInTheLoop ... #IUCr journals.iucr.org/paper?S2052252526…journals.iucr.orgAXIS: a Lab-in-the-Loop machine learning approach for automated detection of macromolecular crystalsAXIS (AI-based Crystal Identification System) combines artificial intelligence with an iterative Lab-in-the-Loop approach for automated crystal detection. AXIS ensures high performance in crystal detection, requires small training datasets and facilitates rapid adaptation to local and changing conditions at any given facility. 023
Reposted by @helliwelljohn.bsky.socialScience Magazine @science.org · 18/03/2026The Human Organ Atlas, a new resource for researchers, clinicians, and educators, is an open-access database of 3D imaging of intact human organs. The portal includes donor samples with conditions from congenital disorders to COVID-19. Learn more in #ScienceAdvances: scim.ag/4btmhQIscim.agThe Human Organ AtlasThe Human Organ Atlas provides open access to 3D images of human anatomy spanning whole organs to cellular scale resolution. 03311
Reposted by @helliwelljohn.bsky.socialStructural Biology @actacrystd.iucr.org · 16/03/2026A new macromolecular crystallography endstation, MX-ES, has been established at NanoTerasu, Japan's first fourth-generation synchrotron-radiation facility #NanoTerasu #MacromolecularCrystallography #IntegratedStructuralAnalysisPlatform doi.org/10.1107/S205... 011
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 14/03/2026@iucr2026.bsky.social IUCr2026 Congress in August in Calgary we have a Workshop on Open Science with advanced details of speakers and most abstracts here indico.esrf.fr/event/251/ 010
Reposted by @helliwelljohn.bsky.socialESRF @esrf.fr · 11/03/2026An international team of scientists & clinicians announced, in Science Advances, the launch of a new open-access 3D portal that allows users to explore intact human organs in unprecedented detail — from the whole organ down to individual cells @uclengineering.bsky.social www.esrf.fr/home/news/ge... 023
Reposted by @helliwelljohn.bsky.socialIUCr2026 @iucr2026.bsky.social · 06/03/2026Planning to attend #IUCr2026? Choose from 21 pre-congress workshops for hands-on training led by internationally recognized experts Register by March 31 for discounted prices event.fourwaves.com/... 011
Reposted by @helliwelljohn.bsky.socialCrystallography Reviews @cryst-rev.bsky.social · 03/03/2026New Editorial online - Tracing the path of crystals: study of urinary calculi and half a century of synchrotron radiation in protein structure determination www.tandfonline.com/doi/full/10....tandfonline.comTracing the path of crystals: study of urinary calculi and half a century of synchrotron radiation in protein structure determinationPublished in Crystallography Reviews (Ahead of Print, 2026) 012
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 01/03/2026www.tandfonline.com/doi/full/10....tandfonline.comPerspectives on the 50th anniversary of synchrotron radiation protein crystallographyIn 2026, it will be the 50th Anniversary of the Stanford Synchrotron Radiation Laboratory (SSRL) SR and protein crystallography initiative led by Keith Hodgson and published in 1976. This seminal r... 000
helliwelljohn.bsky.social @helliwelljohn.bsky.social · 01/03/2026Full article: Perspectives on the 50th anniversary of synchrotron radiation protein crystallography @jsynchrotronrad.iucr.org 000
Reposted by @helliwelljohn.bsky.socialStructural Biology @actacrystd.iucr.org · 26/02/2026An optimized data-acquisition and processing strategy for the collection of high-quality electron diffraction data from extended crystals using conventional cryo-EM instrumentation #ElectronDiffraction #RadiationDamage #DataCompleteness doi.org/10.1107/S205... 042
Reposted by @helliwelljohn.bsky.socialStructural Biology @actacrystd.iucr.org · 25/02/2026This topical review considers a Protein Data Bank and Cambridge Structural Database data survey of crystal structures that have been determined at elevated temperatures #BodyTemperature #PhysiologicalConditions #37C doi.org/10.1107/S205... 032
Reposted by @helliwelljohn.bsky.socialJ Synchrotron Rad @jsynchrotronrad.iucr.org · 21/02/2026Simon Wittl et al.: Comparing image quality of synchrotron and laboratory nano-CT scans: a round robin study #NanoCT #SynchrotronRadiation #ModulationTransferFunction @esrfsynchrotron@UGrenobleAlpes...#IUCr journals.iucr.org/paper?S1600577526…journals.iucr.orgComparing image quality of synchrotron and laboratory nano-CT scans: a round robin studyA multi-facility round-robin comparison of synchrotron- and laboratory-based nano-computed tomography using a standardized 3D phantom reveals superior resolution and acquisition speed at synchrotrons, while advanced laboratory systems achieve competitive image quality with extended scan times; phase contrast modalities further enhance structural visibility. 001
Reposted by @helliwelljohn.bsky.socialJ Synchrotron Rad @jsynchrotronrad.iucr.org · 18/02/2026John Matheson et al.: Experience with the Jungfrau-1M detector at Diamond Light Source #IntegratingDetectors #MacromolecularCrystallography #SynchrotronScience @DiamondLightSou@psich_en@argonne...#IUCr journals.iucr.org/paper?S1600577526…journals.iucr.orgExperience with the Jungfrau-1M detector at Diamond Light SourceA Jungfrau-1M integrating detector was characterized at Diamond Light Source and found to be effective for recording macromolecular crystallography diffraction patterns. Parameters for operation and data collection were explored and characterized. The Diamond facility will be upgraded and integrating detectors, such as Jungfrau, will be used more widely in the future. 011
Reposted by @helliwelljohn.bsky.socialCCDC Cambridge @ccdc.cam.ac.uk · 17/02/2026We have over 220 videos on our YouTube channel, on all aspects of #Crystallography, and all are free! ✔️Symmetry operations and elements ⚛️Hydrogen bond visualisation and analysis 👍Protein–ligand docking 🔭Pharmacophore searching 🔎Surface analysis www.youtube.com/user/CCDCCam... #CompChemSky 021
Reposted by @helliwelljohn.bsky.socialIUCrJ @iucrj.iucr.org · 14/02/2026Mauro Gemmi et al.: Round robin on structure analysis from 3D electron diffraction data @stockholms_univ@stockholms_univ@stockholms_univ@stockholms_univ@stockholms_univ@uni_mainz@unibasel@uni_mainz...#IUCr journals.iucr.org/paper?S2052252526…journals.iucr.orgRound robin on structure analysis from 3D electron diffraction dataThis blind test uses three known samples to determine the accuracy limits of 3D electron diffraction and to assess various challenges. The study aims to evaluate how well different users with diverse experimental setups can perform tasks such as hydrogen-atom detection, mixed occupancy analysis and absolute structure determination. By comparing results across multiple participants and platforms, we can gauge the reliability of the method and identify potential areas for improvement in 3D electron diffraction techniques. 034
