Isolation, crystallization and preliminary X-ray diffraction data of human progastricsin |
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| Authors: | P K Ivanov M M Chernaya A E Gustchina I V Pechik S V Nikonov N I Tarasova |
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| Institution: | All-Union Cancer Research Centre, Moscow, USSR. |
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| Abstract: | Human progastricsin, a zymogen of one of the gastric aspartic proteinases, was isolated and crystallized. The crystals belong to the tetragonal space group P4(2)2(1)2, and have unit cell dimensions a = b = 105.5 +/- 0.1 A, c = 70.6 A. The native crystals of progastricsin diffract X-rays at least to 2.5 A and are suitable for a high-resolution X-ray analysis. |
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