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Acaty_c1477

Gene
Acaty_c1477
Protein
Sucrose synthase
Organism
Acidithiobacillus caldus (strain ATCC 51756 / DSM 8584 / KU)
Length
793 amino acids
Function
Catalyzes the reversible conversion of sucrose and a nucleotide disphosphate (NDP) into fructose and NDP-glucose; although the reaction is freely reversible in vitro, the physiological reaction seems to be sucrose cleavage. Unlike characterized plant enzymes prefers ADP as a cosubstrate, whereas plants prefer UDP. The KM for sucrose is 45-fold lower in the presence of ADP than UDP. Its preference for ADP over UDP suggests it may directly link sucrose and glycogen metabolism (Probable).
Similarity
Belongs to the glycosyltransferase 1 family.
Mass
91.172 kDa
Sequence
MIEALRQQLLDDPRSWYAFLRHLVASQRDSWLYTDLQRACADFREQLPEGYAEGIGPLEDFVAHTQEVIFRDPWMVFAWRPRPGRWIYVRIHREQLALEELSTDAYLQAKEGIVGLGAEGEAVLTVDFRDFRPVSRRLRDESTIGDGLTHLNRRLAGRIFSDLAAGRSQILEFLSLHRLDGQNLMLSNGNTDFDSLRQTVQYLGTLPRETPWAEIREDMRRRGFAPGWGNTAGRVRETMRLLMDLLDSPSPAALESFLDRIPMISRILIVSIHGWFAQDKVLGRPDTGGQVVYILDQARALEREMRNRLRQQGVDVEPRILIATRLIPESDGTTCDQRLEPVVGAENVQILRVPFRYPDGRIHPHWISRFKIWPWLERYAQDLEREVLAELGSRPDLIIGNYSDGNLVATLLSERLGVTQCNIAHALEKSKYLYSDLHWRDHEQDHHFACQFTADLIAMNAADIIVTSTYQEIAGNDREIGQYEGHQDYTLPGLYRVENGIDVFDSKFNIVSPGADPRFYFSYARTEERPSFLEPEIESLLFGREPGADRRGVLEDRQKPLLLSMARMDRIKNLSGLAELYGRSSRLRGLANLVIIGGHVDVGNSRDAEEREEIRRMHEIMDHYQLDGQLRWVGALLDKTVAGELYRVVADGRGVFVQPALFEAFGLTVIEAMSSGLPVFATRFGGPLEIIEDGVSGFHIDPNDHEATAERLADFLEAARERPKYWLEISDAALARVAERYTWERYAERLMTIARIFGFWRFVLDRESQVMERYLQMFRHLQWRPLAHAVPME