1 Departments of Microbiology & Molecular Genetics and Cell Biology & Molecular Medicine, University of Medicine and Dentistry of New Jersey-New Jersey Medical School, Newark, New Jersey 07103.
2 Graduate Program in Bioresource and Bioenviromental Science, Kyushu University, Fukuoka 812-8581, Japan.
3 Department of Molecular Biophysics and Biochemistry, Yale University School of Medicine, New Haven, Connecticut 06520.