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APRR9

Gene
APRR9
Protein
Two-component response regulator-like APRR9
Organism
Arabidopsis thaliana
Length
468 amino acids
Function
Transcriptional repressor of CCA1 and LHY, and positive regulator of LWD1 and LWD2 expression. Controls photoperiodic flowering response and temperature compensation. Involved in the positive and negative feedback loops of the circadian clock. Expression of several members of the ARR-like family is controlled by circadian rhythm. Regulated at the transcriptional level by a corepressor complex consisting of ELF4, ELF3, and LUX. APRR9, APRR7, and APRR5 coordinately act on the upstream region of the target genes to repress their expression from noon until midnight. The particular coordinated sequential expression of APRR9, APRR7, APRR5, APRR3 and APPR1 result to circadian waves that may be at the basis of the endogenous circadian clock.
Similarity
Belongs to the ARR-like family.
Mass
52.565 kDa
Sequence
MGEIVVLSSDDGMETIKNRVKSSEVVQWEKYLPKTVLRVLLVESDYSTRQIITALLRKCCYKVVAVSDGLAAWEVLKEKSHNIDLILTELDLPSISGFALLALVMEHEACKNIPVIMMSSQDSIKMVLKCMLRGAADYLIKPMRKNELKNLWQHVWRRLTLRDDPTAHAQSLPASQHNLEDTDETCEDSRYHSDQGSGAQAINYNGHNKLMENGKSVDERDEFKETFDVTMDLIGGIDKRPDSIYKDKSRDECVGPELGLSLKRSCSVSFENQDESKHQKLSLSDASAFSRFEESKSAEKAVVALEESTSGEPKTPTESHEKLRKVTSDQGSATTSSNQENIGSSSVSFRNQVLQSTVTNQKQDSPIPVESNREKAASKEVEAGSQSTNEGIAGQSSSTEKPKEEESAKQRWSRSQREAALMKFRLKRKDRCFDKKVRYQSRKKLAEQRPRVKGQFVRTVNSDASTKS