Crystallization and Preliminary Crystallographic Analysis of Allograft Inflammatory Factor 1

Allograft inflammatory factor-1 (AIF-1) is a 17-kDa IFN- γ inducible Ca2+-binding EF-hand protein involved in immune dysfunction and smooth muscle cell activation. AIF-1 was solubly expressed in E. coli and purified. Crystals of AIF-1 were grown at 291 K using PEG-8000 as precipitant. Diffraction by the AIF-1 crystal extends to 3.3 Å resolution, and the crystal belongs to the space group P43 with unit cell parameters a=b=73.4, c=49.1 Å .