Organism
Drosophila melanogaster
Function
Required for the production of circadian rhythms. The biological cycle depends on the rhythmic formation and nuclear localization of the TIM-PER complex. Light induces the degradation of TIM, which promotes elimination of PER. Nuclear activity of the heterodimer coordinatively regulates PER and TIM transcription through a negative feedback loop. Behaves as a negative element in circadian transcriptional loop. Does not appear to bind DNA, suggesting indirect transcriptional inhibition.
Similarity
Belongs to the timeless family.
Sequence
MDWLLATPQLYSAFSSLGCLEGDTYVVNPNALAILEEINYKLTYEDQTLRTFRRAIGFGQNVRSDLIPLLENAKDDAVLESVIRILVNLTVPVECLFSVDVMYRTDVGRHTIFELNKLLYTSKEAFTEARSTKSVVEYMKHILESDPKLSPHKCDQINNCLLLLRNILHIPETHAHCVMPMMQSMPHGISMQNTILWNLFIQSIDKLLLYLMTCPQRAFWGVTMVQLIALIYKDQHVSTLQKLLSLWFEASLSESSEDNESNTSPPKQGSGDSSPMLTSDPTSDSSDNGSNGRGMGGGMREGTAATLQEVSRKGQEYQNAMARVPADKPDGSEEASDMTGNDSEQPGSPEQSQPAGESMDDGDYEDQRHRQLNEHGEEDEDEDEVEEEEYLQLGPASEPLNLTQQPADKVNNTTNPTSSAPQGCLGNEPFKPPPPLPVRASTSAHAQMQKFNESSYASHVSAVKLGQKSPHAGQLQLTKGKCCPQKRECPSSQSELSDCGYGTQVENQESISTSSNDDDGPQGKPQHQKPPCNTKPRNKPRTIMSPMDKKELRRKKLVKRSKSSLINMKGLVQHTPTDDDISNLLKEFTVDFLLKGYSYLVEELHMQLLSNAKVPIDTSHFFWLVTYFLKFAAQLELDMEHIDTILTYDVLSYLTYEGVSLCEQLELNARQEGSDLKPYLRRMHLVVTAIREFLQAIDTYNKVTHLNEDDKAHLRQLQLQISEMSDLRCLFVLLLRRFNPSIHSKQYLQDLVVTNHILLLILDSSAKLGGCQTIRLSEHITQFATLEVMHYYGILLEDFNNNGEFVNDCIFTMMHHIGGDLGQIGVLFQPIILKTYSRIWEADYELCDDWSDLIEYVIHKFMNTPPKSPLTIPTTSLTEMTKEHNQEHTVCSWSQEEMDTLYWYYVQSKKNNDIVGKIVKLFSNNGNKLKTRISIIQQLLQQDIITLLEYDDLMKFEDAEYQRTLLTTPTSATTESGIEIKECAYGKPSDDVQILLDLIIKENKAQHLLWLQRILIECCFVKLTLRSGLKVPEGDHIMEPVAYHCICKQKSIPVVQWNNEQSTTMLYQPFVLLLHKLGIQLPADAGSIFARIPDYWTPETMYGLAKKLGPLDKLNLKFDASELEDATASSPSRYHHTGPRNSLSSVSSLDVDLGDTEELALIPEVDAAVEKAHAMASTPSPSEIFAVPKTKHCNSIIRYTPDPTPPVPNWLQLVMRSKCNHRTGPSGDPSDCIGSSSTTVDDEGFGKSISAATSQAASTSMSTVNPTTTLSLNMLNTFMGSHNENSSSSGCGGTVSSLSMVALMSTGAAGGGGNTSGLEMDVDASMKSSFERLEVNGSHFSRANNLDQEYSAMVASVYEKEKELNSDNVSLASDLTRMYVSDEDDRLERTEIRVPHYH