PubMed · 5225708
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J L Torgesen. 1966-01-20. Purification by single-crystal growth.. https://doi.org/10.1111/j.1749-6632.1966.tb49740.x
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Significant improvement of the resolution of copper nitrite reductase crystals was achieved by using the in situ annealing technique. The effective resolution limits increased by 1.5 A from 2.5 to 1.0 A, the mosaicity value decreased from 1.5 to 0.3 degree and the spot shape changed from elliptical to circular.
Human interleukin-22, a novel member of the cytokine family, has been crystallized in hanging drops using the vapour-diffusion technique. Preliminary X-ray diffraction experiments using synchrotron radiation reveal that the protein crystallizes in space group P2(1)2(1)2(1), with unit-cell parameters a = 55.44, b = 61.62, c = 73.43 A, and diffracts beyond 2.00 A resolution.
A 10-mer duplex formed between a PNA containing a 'chiral box' of three adjacent D-Lys-based monomers and its complementary DNA strand has been crystallized for the first time. Crystals have been obtained using PEG 8000 as precipitant and cacodylate at pH 6.3 as buffer. The crystals belong to the space group P3(1) or to its enantiomorph P3(2), with unit-cell parameters a = b = 35.00, c = 35.91 A. A complete data set has been collected at the synchrotron source Elettra in Trieste to 1.85 A resolution, using a single frozen crystal.