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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC

Accepted Name
Diadenosine hexaphosphate hydrolase (AMP-forming).
Reaction catalysed
  • P(1),P(6)-bis(5'-adenosyl)hexaphosphate + H(2)O <=> adenosine 5'-pentaphosphate + AMP
  • P(1),P(5)-bis(5'-adenosyl)pentaphosphate + H(2)O <=> adenosine 5'-tetraphosphate + AMP
  • A divalent cation is essential for activity.
  • Mn(2+) (2-6 mM) is most effective.
  • The enzyme controls intracellular levels of P(1),P(5)- bis(5'-adenosyl)pentaphosphate and P(1),P(6)- bis(5'-adenosyl)hexaphosphate.
  • Weak activity with P(1),P(4)-bis(5'-adenosyl)tetraphosphate.
  • Marked preference for adenine over guanine nucleotides.
PRIAM enzyme-specific profiles3.6.1.60
KEGG Ligand Database for Enzyme Nomenclature3.6.1.60
IUBMB Enzyme Nomenclature3.6.1.60
MEDLINEFind literature relating to
Q99321, DDP1_YEAST;  Q8NFP7, NUD10_HUMAN;  P0C027, NUD10_MOUSE;  
Q58CW0, NUD11_BOVIN;  Q96G61, NUD11_HUMAN;  P0C028, NUD11_MOUSE;  

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