Pil-Won Seo, Andreas Hofmann, Jun-Ha Kim, Seung-A Hwangbo, Jun-Hong Kim, Ji-Won Kim, Thi Yen Ly HuynhHyonE. Choy, Soo-Jung Kim, Jimin Lee, Jie-Oh Lee, Kyeong Sik Jin, Suk-Youl Park, Jeong-Sun Kim. Structural features of a minimal intact methyltransferase of a type I restriction-modification system.