Purification, crystallization and X‐ray diffraction study of basic 7S globulin from soybean
Basic 7S globulin (Bg7S) is expressed by soybeans in response to biotic or abiotic stress. Bg7S is capable of binding to a 4 kDa protein which is supposedly involved in cell proliferation. Bg7S is widely found not only in legumes, but also in other plants; however, its function is still unclear. Here, Bg7S was successfully crystallized. Orthorhombic and monoclinic crystals of Bg7S were obtained under different conditions and belonged to space groups P21212, with unit‐cell parameters a = 111.9, b = 130.1, c = 287.8 Å, and P21, with unit‐cell parameters a = 85.3, b = 137.6, c = 162.1 Å, β = 91.2°, respectively.
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