forthcoming articles

The following articles are a selection of those recently accepted for publication in IUCrJ.

See also Forthcoming articles in all IUCr journals.

Accepted 25 June 2020

The susceptibility of di­sulfide bonds towards radiation damage may be explained by S⋯O interactions

Irradiation of proteins with intense X-ray radiation generates specific structural and chemical alterations, such as metal-ion reduction, reduction of disulfide bonds and decarboxylation reactions. An analysis of a set of disulfide bonds in known structures suggests that the most susceptible disulfide bonds feature a carbonyl O atom positioned along the extension of the S—S bond vector, forming a stabilizing S⋯O interaction, which upon irradiation leads to polarization of the disulfide bond and its eventual reduction.

Accepted 22 June 2020

Sensitive imaging of intact microvessels in vivo with synchrotron radiation

In this article, move contrast X-ray imaging (MCXI) based on high-brightness synchrotron radiation is developed. Experiments with live rodents demonstrate the practicability of the MCXI method for sensitive and intact imaging of microvessels in vivo.

Accepted 22 June 2020

The structure of a potassium-selective ion channel reveals a hydrophobic gate regulating ion permeation

The atomic resolution structure of a potassium-selective ion channel reveals a hydrophobic gate that regulates ion permeation.

Accepted 4 June 2020

Re-examining the crystal structure behaviour of nitrogen and methane

This work presents the determination of the thermal expansion of solid methane and nitrogen with neutron powder diffraction coupled with further insights into the α-nitrogen crystal structure and β-nitrogen texture changes.

Accepted 2 June 2020

Spin-density studies of the multiferroic metal–organic compound [NH2(CH3)2][FeIIIFeII(HCOO)6]

Polarized neutron diffraction on the flipping-ratio technique has been used to determine the spin-density map for the multiferroic compound [NH2(CH3)2][FeIIIFeII(HCOO)6]. The proposed models give an alternative explanation for the origin of the multiferroic behaviour of this compound.


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