2.7.1.113 ATP or MgATP2- stabilize, not Mg2+ alone 640549 2.7.1.113 ATP stabilizes the enzyme 660855 2.7.1.113 bovine serum albumin stabilizes the enzyme in solution 640561 2.7.1.113 complete inactivation after freezing at -20°C or -70°C 640553 2.7.1.113 highly unstable at 0°C in diluted form, no loss of activity in the presence of bovine serum albumin 640561 2.7.1.113 loss of activity in dilute solution 640549, 640553 2.7.1.113 Triton X-100 and ATP stabilize 661453 2.7.1.113 Triton X-100, 0.02%, stabilizes markedly against thermal inactivation 640551