1. Department of PharmacologyNihon Pharmaceutical UniversityKomuro, Inamachi, Kita‐adachigunSaitamaJapan
2. Division of MicrobiologyNational Institute of Health SciencesSetagaya‐kuTokyoJapan
3. Division of Biological Chemistry and BiologicalsNational Institute of Health SciencesSetagaya‐kuTokyoJapan
4. The Graduate School of Pharmaceutical SciencesKeio UniversityMinato‐kuTokyoJapan
5. Laboratory of Biochemistry and Molecular BiologyGraduate School of Pharmaceutical SciencesOsaka UniversitySuitaOsakaJapan