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Production of yeast (m2G10) methyltransferase (Trm11 and Trm112 complex) in a wheat germ cell-free translation system
Kazuki Okada1, Yuki Muneyoshi, Yaeta Endo
1Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan.
Abstract:
Transfer RNA (guanine-N(2)-)-methyltransferase [tRNA (m(2)G10) methyltransferase] catalyzes a methyl-transfer from S-adenosyl-L-methionine to N(2)-atom of guanine at position 10 (G10) in tRNA and generates N(2)-methylguanine at position 10 (m(2)G10). Yeast enzyme contains two protein subunits (Trm11 and Trm112). Trm11 protein is expected to be a catalytic subunit and Trm112 contains a Zinc-finger. In yeast cells, Trm112 binds not only to Trm11 but also to other proteins such as Lys9, Trm9, and Mtq2. Therefore, the Trm112 protein may regulate population of several protein complexes. To address these issues, we started the study on synthesis of Trm112 related protein complexes. In this meeting, we report synthesis of active Trm11-Trm112 complex in a wheat germ cell-free translation system.
