EC Number   |
Metals/Ions |
Reference |
|---|
   2.7.1.23 | Ca2+ |
43% activity at 5 mM compared to Mg2+ |
721766 |
| 2.7.1.23 | Ca2+ |
5 mM, 33% of the activation obtained with Mn2+ |
641179, 641180 |
| 2.7.1.23 | Ca2+ |
a 410000 Da Ca2+-calmodulin-independent isoform and a 63000 Da Ca2+-calmodulin-dependent isoform |
641203 |
| 2.7.1.23 | Ca2+ |
Ca2+-calmodulin-dependent enzyme. Half-saturating concentration of Ca2+ is 0.07 mM |
641200 |
| 2.7.1.23 | Ca2+ |
Ca2+/calmodulin regulates NAD kinase activity. Ca2+/calmodulin has no detectable effect on recombinant human NAD kinase |
691390 |
| 2.7.1.23 | Ca2+ |
Ca2+/calmodulin-binding domain |
691390 |
| 2.7.1.23 | Ca2+ |
five forms of NAD+ kianse: 1. a solvent Ca2+ sensitive form, 2. and 3. two Ca2+-calmodulin independent forms, one solvent and one membranal, 4. and 5. two Ca2+-calmodulin dependent forms, one solvent and one membranal.In dry seeds the membranal-Ca2+-calmodulin-dependent form represents 100% of the total pelletable activity |
641197 |
| 2.7.1.23 | Ca2+ |
half-maximal activity at free calcium of approximately 0.0004 mM |
641201 |
| 2.7.1.23 | Ca2+ |
optimal Ca2+ concentration is 0.0001 mM for enzyme activated by type II calmodulin, 0.001-0.005 mM for enzyme activated by type I calmodulin. Activation is highest at pH 6.8-7.1. No activation by type III calmodulin |
682340 |
| 2.7.1.23 | Ca2+ |
several divalent cations satisfy the metal ion requirement: Mg2+, Mn2+, Ca2+, Fe2+, Zn2+ and Co2+ |
641183 |
