3.4.16.2 - 3.4.16.2 purchased from TaKaRa Bio Inc. Japan, lot no. 1921, 2001, 2031 3.4.16.2 recombinant 3.4.16.2 soluble proteins are precipitated from the supernatant of homogenized plant material 3.4.16.2 using Ni-affinity chromatography