Protein
Beta-fructofuranosidase, insoluble isoenzyme 2
Organism
Oryza sativa subsp. japonica
Function
Cell wall-associated invertase that cleaves sucrose into glucose and fructose and is required for assimilated carbon partitioning during early grain-filling. May be involved in sucrose unloaded in the ovular and stylar vascular tissues for the stimulation of starch synthesis in the developing endosperm during grain-filling (PubMed:18820698). Sugar homeostasis mediated by CIN2/GIF1 plays an important role in constitutive and induced physical and chemical defense against pathogens (PubMed:24118770).
Similarity
Belongs to the glycosyl hydrolase 32 family.
Sequence
MGVLGSRVAWAWLVQLLLLQQLAGASHVVYDDLELQAAATTADGVPPSIVDSELRTGYHFQPPKNWINDPNAPMYYKGWYHLFYQYNPKGAVWGNIVWAHSVSRDLINWVALKPAIEPSIRADKYGCWSGSATMMADGTPVIMYTGVNRPDVNYQVQNVALPRNGSDPLLREWVKPGHNPVIVPEGGINATQFRDPTTAWRGADGHWRLLVGSLAGQSRGVAYVYRSRDFRRWTRAAQPLHSAPTGMWECPDFYPVTADGRREGVDTSSAVVDAAASARVKYVLKNSLDLRRYDYYTVGTYDRKAERYVPDDPAGDEHHIRYDYGNFYASKTFYDPAKRRRILWGWANESDTAADDVAKGWAGIQAIPRKVWLDPSGKQLLQWPIEEVERLRGKWPVILKDRVVKPGEHVEVTGLQTAQADVEVSFEVGSLEAAERLDPAMAYDAQRLCSARGADARGGVGPFGLWVLASAGLEEKTAVFFRVFRPAARGGGAGKPVVLMCTDPTKSSRNPNMYQPTFAGFVDTDITNGKISLRSLIDRSVVESFGAGGKACILSRVYPSLAIGKNARLYVFNNGKAEIKVSQLTAWEMKKPVMMNGA