O00327 BMAL1_HUMAN Basic helix-loop-helix ARNT-like protein 1 [...] BMAL1 , ARNTL, BHLHE5, MOP3, PASD3Homo sapiens (Human) 626 AA Q99743 NPAS2_HUMAN Neuronal PAS domain-containing protein 2 [...] NPAS2 , BHLHE9, MOP4, PASD4Homo sapiens (Human) 824 AA O15516 CLOCK_HUMAN Circadian locomoter output cycles protein kaput [...] CLOCK , BHLHE8, KIAA0334Homo sapiens (Human) 846 AA O08785 CLOCK_MOUSE Circadian locomoter output cycles protein kaput [...] Clock Mus musculus (Mouse) 855 AA O35973 PER1_MOUSE Period circadian protein homolog 1 [...] Per1 , Per, RiguiMus musculus (Mouse) 1,291 AA P07663 PER_DROME Period circadian protein [...] per , CG2647Drosophila melanogaster (Fruit fly) 1,224 AA Q9WTL8 BMAL1_MOUSE Basic helix-loop-helix ARNT-like protein 1 [...] Bmal1 , ArntlMus musculus (Mouse) 632 AA