本文报道利用微量静置法培养出绿豆胰蛋白酶抑制剂-猪胰蛋白酶复合物可供X射线衍射分析的单晶体。晶体衍射分辨率2.7。晶体学参数测定结果为四方晶系,空间群1422,晶胞参数a=b=122.4(2),c=113.4(2)()。晶体密度1.20g/cm~3,溶剂含量36％,每个结晶学不对称单位含一个复合物分子。 This paper reports the use of micro-static method to cultivate mung bean trypsin inhibitor - porcine trypsin complex X-ray diffraction analysis of single crystals. Crystal diffraction resolution 2.7. The crystallographic parameters were determined to be tetragonal, with a space group of 1422 with unit cell parameters of a = b = 122.4 (2) and c = 113.4 (2) (). Crystal density 1.20g / cm ~ 3, 36% solvent content, each crystallographic asymmetric unit contains a complex molecule.