Patent ID: 6977157

Claim:
An isolated DNA which maintains a basal promoter activity and has a promoter activity transcriptionally-activated by a BMAL1/CLOCK heterodimer, which comprises the nucleotide sequence described in the following (a), (b), (c) or (d): (a) a sequence consisting of nucleotides at positions 7,463 to 7,931 in the nucleotide sequence represented by SEQ ID NO:1, (b) a sequence consisting of nucleotides at positions 6,417 to 7,931 in the nucleotide sequence represented by SEQ ID NO:1, (c) a sequence consisting of nucleotides at positions 5,249 to 7,931 in the nucleotide sequence represented by SEQ ID NO:1, and (d) a sequence consisting of nucleotides at positions 4,415 to 7,931 in the nucleotide sequence represented by SEQ ID NO:1.