E343D |
low spontaneous dephosphorylation rate |
Rattus norvegicus |
E343D/E820Q |
low spontaneous dephosphorylation rate |
Rattus norvegicus |
E820Q |
K+-insensitive activity and an E1 preference, E2 form-specific salt bridge between Glu820 and Lys791 is no longer possible |
Rattus norvegicus |
K791A |
K+ affinity is markedly reduced without altering the E2 preference of the enzyme |
Rattus norvegicus |
K791A/E343D |
no K+-independent ATPase activity |
Rattus norvegicus |
K791A/E343D/E820Q |
completely K+-insensitive |
Rattus norvegicus |
K791A/E820Q |
no K+-independent ATPase activity |
Rattus norvegicus |
K791R |
K+-stimulated ATPase acitvity hardly significant |
Rattus norvegicus |
K791R/E343D |
no K+-independent ATPase activity, no K+-stimulated dephosphorylation activity |
Rattus norvegicus |
K791R/E343D/E820Q |
no K+-stimulated dephosphorylation activity |
Rattus norvegicus |
K791R/E820Q |
some K+-independent ATPase activity, no K+-stimulated dephosphorylation activity |
Rattus norvegicus |
K791S |
rather similar properties than the K791A mutant |
Rattus norvegicus |