kellbrook Posted July 17, 2011 Share Posted July 17, 2011 (edited) they say atp is the energy currency of the cell, does atp always come as atp-mg2 ? Edited July 17, 2011 by kellbrook Link to comment Share on other sites More sharing options...
CharonY Posted July 18, 2011 Share Posted July 18, 2011 (edited) ATP itself does not contain Mg. However, ATP that is found in complexes often contains Mg- but not covalently bound. Edited July 18, 2011 by CharonY Link to comment Share on other sites More sharing options...
WorldOfBiochemistry Posted July 18, 2011 Share Posted July 18, 2011 I think so... Indeed, the real substrate for enzymes that use ATP is never the ATP molecule, but is the complex ATP-Mg2+. This ion is important for electric charge shielding of the phosphate groups. Link to comment Share on other sites More sharing options...
kellbrook Posted July 18, 2011 Author Share Posted July 18, 2011 inside the body can atp exist as atp alone or does it always have to be attched to something like magneisum? Link to comment Share on other sites More sharing options...
swansont Posted July 18, 2011 Share Posted July 18, 2011 ! Moderator Note Threads merged. No need for twins Link to comment Share on other sites More sharing options...
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