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GME-2

Gene
GME-2
Protein
GDP-mannose 3,5-epimerase 2
Organism
Oryza sativa subsp. japonica
Length
371 amino acids
Function
Catalyzes a reversible epimerization of GDP-D-mannose that precedes the committed step in the biosynthesis of vitamin C (L-ascorbate), resulting in the hydrolysis of the highly energetic glycosyl-pyrophosphoryl linkage. Able to catalyze 2 distinct epimerization reactions and can release both GDP-L-galactose and GDP-L-gulose from GDP-mannose (By similarity).
Similarity
Belongs to the NAD(P)-dependent epimerase/dehydratase family.
Mass
42.132 kDa
Sequence
MALNEEYTYVELEKEPYWPFEKLRISITGAGGFIASHIARRLKSEGHYIIASDWKKNEHMTEDMFCHEFHLVDLRVMDNCLKVTTGVDHVFNLAADMGGMGFIQSNHSVIMYNNTMISFNMLEAARINGVKRFFYASSACIYPEFKQLDTVVSLKESDAWPAEPQDAYGLEKLATEELCKHYTKDFGIECRVGRFHNIYGPFGTWKGGREKAPAAFCRKALTSTDRFEMWGDGLQTRSFTFIDECVEGVLRLTKSDFREPVNIGSDEMVSMNEMAEIVLSFENKQLPIHHIPGPEGVRGRNSDNTLIKEKLGWAPTMRLKDGLRITYFWIKEQLEKEKAEGVDLSAYGSSKVVQTQAPVQLGSLRAADGKE