[1] Chungbuk Natl Univ, Dept Biochem, Chongju 361763, South Korea
[2] Pohang Univ Sci & Technol, Dept Mech Engn, Pohang 790784, South Korea
[3] Chungbuk Natl Univ, Dept Microbiol, Chongju 361763, South Korea
[4] ETH, Dept Chem & Appl Biosci, CH-8093 Zurich, Switzerland