Inhibits E3 ubiquitin-protein ligase activity of COP1, a central repressor of seedling photomorphogenesis. Represses COP1-mediated turnover of HY5 in the dark. Required for primary root development under normal light growth conditions.

Belongs to the TLS1 family.

279 amino acids

MPPKRNFRKRSFEEEEEDNDVNKAAISEEEEKRRLALEEVKFLQKLRERKLGIPALSSTAQSSIGKVKPVEKTETEGEKEELVLQDTFAQETAVLIEDPNMVKYIEQELAKKRGRNIDDAEEVENELKRVEDELYKIPDHLKVKKRSSEESSTQWTTGIAEVQLPIEYKLKNIEETEAAKKLLQERRLMGRPKSEFSIPSSYSADYFQRGKDYAEKLRREHPELYKDRGGPQADGEAAKPSTSSSTNNNADSGKSRQAATDQIMLERFRKRERNRVMRR

32.3 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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