Protein
D-psicose 3-epimerase
Organism
Clostridium cellulolyticum (strain ATCC 35319 / DSM 5812 / JCM 6584 / H10)
Function
Involved in the biosynthesis of D-psicose. Catalyzes the reversible epimerization of D-fructose at the C3 position to yield D-psicose. The enzyme is highly specific for D-psicose and shows very low activity with D-tagatose.
Similarity
Belongs to the hyi family.
Sequence
MKHGIYYAYWEQEWEADYKYYIEKVAKLGFDILEIAASPLPFYSDIQINELKACAHGNGITLTVGHGPSAEQNLSSPDPDIRKNAKAFYTDLLKRLYKLDVHLIGGALYSYWPIDYTKTIDKKGDWERSVESVREVAKVAEACGVDFCLEVLNRFENYLINTAQEGVDFVKQVDHNNVKVMLDTFHMNIEEDSIGGAIRTAGSYLGHLHTGECNRKVPGRGRIPWVEIGEALADIGYNGSVVMEPFVRMGGTVGSNIKVWRDISNGADEKMLDREAQAALDFSRYVLECHKHS