Computational Biology Research Center, National Institute of Advanced Industrial Science and Technology Tokyo 135-0064, Japan. h-nagasaki@aist.go.jp|Computational Biology Research Center, National Institute of Advanced Industrial Science and Technology Tokyo 135-0064, Japan. h-nagasaki@aist.go.jp|Computational Biology Research Center, National Institute of Advanced Industrial Science and Technology Tokyo 135-0064, Japan. h-nagasaki@aist.go.jp|Computational Biology Research Center, National Institute of Advanced Industrial Science and Technology Tokyo 135-0064, Japan. h-nagasaki@aist.go.jp|Computational Biology Research Center, National Institute of Advanced Industrial Science and Technology Tokyo 135-0064, Japan. h-nagasaki@aist.go.jp