Protein
Sucrose 6(F)-phosphate phosphorylase
Organism
Thermoanaerobacterium thermosaccharolyticum (strain ATCC 7956 / DSM 571 / NCIB 9385 / NCA 3814)
Function
Catalyzes the reversible phosphorolysis of sucrose 6(F)-phosphate into alpha-D-glucose 1-phosphate (Glc1P) and D-fructose 6-phosphate. May be involved in a new pathway for the degradation of sucrose, which could become phosphorylated on its fructose moiety during uptake via a PTS system. To a lesser extent, can also reversibly act on sucrose in vitro (PubMed:24599311). Is also able to catalyze transglycosylation reactions in vitro (PubMed:26074151).
Similarity
Belongs to the glycosyl hydrolase 13 family. Sucrose phosphorylase subfamily.
Sequence
MALKNKVQLITYPDSLGGNLKTLNDVLEKYFSDVFGGVHILPPFPSSGDRGFAPITYSEIEPKFGTWYDIKKMAENFDILLDLMVNHVSRRSIYFQDFLKKGRKSEYADMFITLDKLWKDGKPVKGDIEKMFLRRTLPYSTFKIEETGEEEKVWTTFGKTDPSEQIDLDVNSHLVREFLLEVFKTFSNFGVKIVRLDAVGYVIKKIGTSCFFVEPEIYEFLDWAKGQAASYGIELLLEVHSQFEVQYKLAERGFLIYDFILPFTVLYTLINKSNEMLYHYLKNRPINQFTMLDCHDGIPVKPDLDGLIDTKKAKEVVDICVQRGANLSLIYGDKYKSEDGFDVHQINCTYYSALNCDDDAYLAARAIQFFTPGIPQVYYVGLLAGVNDFEAVKKTKEGREINRHNYGLKEIEESVQKNVVQRLLKLIRFRNEYEAFNGEFFIEDCRKDEIRLTWKKDDKRCSLFIDLKTYKTTIDYINENGEEVKYLV