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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

Luca Catalano is awarded the third W. H. and W. L. Bragg Prize for pioneering contributions to crystal engineering and lattice dynamics, advancing the understanding and control of structure–property–dynamics relationships in functional molecular crystals.

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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

Erik Svensson Grape is awarded the 2026 Struchkov Prize for outstanding contributions to small-molecule crystallography, including the elucidation of historically and pharmaceutically significant structures and pioneering structural studies of porous framework materials.

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

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.

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