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Crystallization and preliminary X-ray diffraction studies of aspartic proteinase from Irpex lacteus
H Kobayashi1, K Kasamo, H Mizuno
1Biological Function Division, National Food Research Institute, Ibaraki, Japan.
Journal of Molecular Biology
|August 20, 1992
Abstract:
Crystals of ILAP (Irpex lacteus aspartic proteinase) have been obtained by the hanging drop method using ammonium sulfate as a precipitant. The crystals are monoclinic, space group P2(1) with cell dimensions a = 54.5 A, b = 79.6 A, c = 37.5 A, beta = 96.8 degrees. The crystals are quite stable to X-rays and diffract beyond 1.9 A resolution. There is one molecule in the asymmetric unit.