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Spring meeting of the Journal Management Board
Letter from the president

President's Letter – Spring 2026

Santiago García Granda

Feature article

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Feature article

Bragg Prize 2026 laureate

Luca Catalano

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Feature article

Duplicate dilemma: resolved in 2022 after being open at least since 1964

Vitaliy Kurlin

AI-generated image created with OpenAI’s DALL·E.
Feature article

Interesting packings of spheres in cubic space groups. A case of an unobvious arrangement of space-filling rhombohedra

Zbigniew Dauter and Mariusz Jaskolski

Bernie Santarsiero, Chair; Cristy Nonato, Co-Chair
Associates news

Diversity in IUCr: Progress and Opportunities to Get Involved

Bernie Santarsiero and Cristy Nonato

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Feature article

“I am grateful to be part of a field where precise structural insight continues to drive progress”

Erik Svensson Grape

From the Community

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Meeting Report (IUCr supported)

Inaugural Powder Diffraction Conference in Latin America

Fabio Furlan Ferreira

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Meeting Report (IUCr supported)

LACA–ABCr 2025 Meeting Report

Alejandro Pedro Ayala

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Meeting Report (IUCr supported)

Structural Biology at the Foot of the Andes

Victor Castro-Fernandez

From Industry

POLLUX and POLLUX PANORAMA. Compact size, versatile design and exceptional performance.
Advertising feature

Enhancing Laboratory X-ray Powder Diffraction: Fluorescence Suppression with POLLUX

Hans Gildenast Giacomo Siviero, Philip Baumann, Giuseppe Montemurro, Lucas Wagner and Marcus Müller

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Press Release

SAXSanalysis Pro: Analysis of SAXS Data Made Easy

Anton Paar GmbH

Articles from the journals

A dimer of the thermostable L-asparaginase from Thermococcus kodakarensis (RCSB extended ID: pdb_00005ot0; Guo et al., 2017).
Commentary

Enzyme therapy in a structural light

Jon Cooper

Upon compression of δ-chlorpropamide, direct transformation to a commensurate (q = 0.33) high-pressure phase is observed in laboratory single-crystal X-ray diffraction experiments, whereas an intermediate incommensurate (q < 0.33) phase is observed in synchrotron experiments owing to kinetic effects. [The structure and the pressure plot are reproduced from Bogdanov et al. (2026).]
Commentary

Kinetic effects yield different results on the timescales of laboratory and synchrotron high-pressure experiments

Julien Haines

From crystal to structure solution. The application of 3D-ED to epidote has enabled remarkable accuracy to be achieved for certain atomic positions (0.004 Å). Images of the epidote crystal and structure model reproduced from Gemmi et al.
Commentary

3D ED: Accessible, robust and accurate

Stéphanie Kodjikian

Realization of the honeycomb net hcb as the Cayley graph of a layer group of type p112/b. Figure adapted from Baburin (2026).
Commentary

It's all in the group

Bernd Souvignier

Realization of the honeycomb net hcb as the Cayley graph of a layer group of type p112/b. Figure adapted from Baburin (2026).

People and History

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Obituary

Paul Barnes (1942–2025)

Jeremy K. Cockcroft