issue contents

ISSN: 2053-230X

September 2017 issue

Highlighted illustration

Cover illustration: Crystal structure of the DNA sequence d(CGTGAATTCACG)2 with DAPI (Sbirkova-Dimitrova & Shivachev, p. 500).

research communications

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The interaction of DAPI with d(CGTGAATTCACG) results in displacement of the ordered spine waters and confers hydrophobic behaviour on the DNA.

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Two forms of the HicAB toxin–antitoxin complex from E. coli were purified and crystals were obtained of one of the forms.

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3,6-Anhydro-L-galactonate cycloisomerase (ACI) is a second-step enzyme in the metabolic pathway of 3,6-anhydro-L-galactose. Structural analysis of ACI is crucial in order to elucidate its function, substrate specificity and reaction mechanism at the molecular level.

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The Roco protein from the bacterium C. tepidum has been used as a model system to investigate the structure and mechanism of the Roco protein family. Here, the crystallization and crystallographic analysis of the LRR-Roc-COR construct of the C. tepidum Roco protein are reported.

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Crystals of PsbO were grown in capillaries using an agarose-plug setup and were cross-linked using glutaraldehyde. Initial neutron diffraction data were collected to 2.3 Å resolution on the MaNDi instrument at the Spallation Neutron Source.

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Plasmodesmata-localized protein 5 (PDLP5) is a member of the cysteine-rich receptor-like plasmodesmata-localized proteins and is involved in the regulation of plasmodesmata permeability. The ectodomain of PDLP5, which possesses two DUF26 domains, was expressed, purified and crystallized by the hanging-drop vapour-diffusion method.

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Mycobacterial glucosylglycerate hydrolase is a highly conserved enzyme that is involved in recovery from nitrogen starvation. Here, the production, crystallization and structure solution of Mycobacterium hassiacum glucosylglycerate hydrolase using two-wavelength anomalous diffraction of selenomethionine-substituted crystals are presented.
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