ENZYME entry: EC 18.104.22.168
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|UDP-glucose + D-fructose 6-phosphate <=> UDP + sucrose 6(F)-phosphate|
|Mn(2+) or Mg(2+).
- The enzyme from Synechocystis sp. strain PCC 6803 is not specific for
UDP-glucose as it can use ADP-glucose and, to a lesser extent, GDP-
glucose as substrates.
- The enzyme from rice leaves is activated by glucose 6-phosphate but
that from cyanobacterial species is not.
- While the reaction catalyzed by this enzyme is reversible, the enzyme
usually works in concert with EC 22.214.171.124 to form sucrose, making the
above reaction essentially irreversible.
- The F in sucrose 6(F)-phosphate is used to indicate that the fructose
residue of sucrose carries the substituent.
|PRIAM enzyme-specific profiles||126.96.36.199|
|KEGG Ligand Database for Enzyme Nomenclature||188.8.131.52|
|IUBMB Enzyme Nomenclature||184.108.40.206|
|MEDLINE||Find literature relating to 220.127.116.11|
|Q94BT0, SPSA1_ARATH; ||O22060, SPSA1_CITUN; ||O04932, SPSA1_CRAPL; |
|A2WYE9, SPSA1_ORYSI; ||Q0JGK4, SPSA1_ORYSJ; ||Q9FY54, SPSA2_ARATH; |
|O04933, SPSA2_CRAPL; ||B7F7B9, SPSA2_ORYSJ; ||Q8RY24, SPSA3_ARATH; |
|Q67WN8, SPSA3_ORYSJ; ||F4JLK2, SPSA4_ARATH; ||Q6ZHZ1, SPSA4_ORYSJ; |
|Q53JI9, SPSA5_ORYSJ; ||P49031, SPSA_BETVU; ||P31927, SPSA_MAIZE; |
|Q43845, SPSA_SOLTU; ||P31928, SPSA_SPIOL; ||Q43876, SPSA_VICFA; |
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