Protein
Chaperone protein ClpC1, chloroplastic
Organism
Arabidopsis thaliana
Function
Molecular chaperone that hydrolyzes ATP and is associated with the chloroplast protein import apparatus. May function as the motor for chloroplast protein translocation, as translocation requires ATP hydrolysis in the stroma. May interact with a ClpP-like protease involved in degradation of denatured proteins in the chloroplast. Involved in the regulation of chlorophyll b biosynthesis through the destabilization of chlorophyllide a oxygenase (CAO) protein in response to the accumulation of chlorophyll b. Involved in leaf iron homeostasis.
Similarity
Belongs to the ClpA/ClpB family. ClpC subfamily.
Sequence
MAMATRVLAQSTPPSLACYQRNVPSRGSGRSRRSVKMMCSQLQVSGLRMQGFMGLRGNNALDTLGKSRQDFHSKVRQAMNVPKGKASRFTVKAMFERFTEKAIKVIMLAQEEARRLGHNFVGTEQILLGLIGEGTGIAAKVLKSMGINLKDARVEVEKIIGRGSGFVAVEIPFTPRAKRVLELSLEEARQLGHNYIGSEHLLLGLLREGEGVAARVLENLGADPSNIRTQVIRMVGENNEVTANVGGGSSSNKMPTLEEYGTNLTKLAEEGKLDPVVGRQPQIERVVQILGRRTKNNPCLIGEPGVGKTAIAEGLAQRIASGDVPETIEGKKVITLDMGLLVAGTKYRGEFEERLKKLMEEIRQSDEIILFIDEVHTLIGAGAAEGAIDAANILKPALARGELQCIGATTLDEYRKHIEKDPALERRFQPVKVPEPTVDETIQILKGLRERYEIHHKLRYTDESLVAAAQLSYQYISDRFLPDKAIDLIDEAGSRVRLRHAQVPEEARELEKELRQITKEKNEAVRGQDFEKAGTLRDREIELRAEVSAIQAKGKEMSKAESETGEEGPMVTESDIQHIVSSWTGIPVEKVSTDESDRLLKMEETLHKRIIGQDEAVKAISRAIRRARVGLKNPNRPIASFIFSGPTGVGKSELAKALAAYYFGSEEAMIRLDMSEFMERHTVSKLIGSPPGYVGYTEGGQLTEAVRRRPYTVVLFDEIEKAHPDVFNMMLQILEDGRLTDSKGRTVDFKNTLLIMTSNVGSSVIEKGGRRIGFDLDYDEKDSSYNRIKSLVTEELKQYFRPEFLNRLDEMIVFRQLTKLEVKEIADILLKEVFERLKKKEIELQVTERFKERVVDEGYNPSYGARPLRRAIMRLLEDSMAEKMLAREIKEGDSVIVDVDAEGNVTVLNGGSGTPTTSLEEQEDSLPVA