Inhibition constant of AMP with relation to ATP in reaction: ATP+selenide+H2O>selenophosphate+Pi+AMP

Value 170 µM
Organism Bacteria Escherichia coli
Reference Veres Z, Kim IY, Scholz TD, Stadtman TC. Selenophosphate synthetase. Enzyme properties and catalytic reaction. J Biol Chem. 1994 Apr 8 269(14):10597-603.PubMed ID8144648
Comments AMP is a competitive inhibitor of ATP, Ki = 170 microM, whereas selenophosphate and orthophosphate are weak inhibitors indicating a multistep reaction.
Entered by Uri M
ID 104535