Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Calmodulin | binding site is located at residues 422-435, which form a amphipathic helical wheel, motif 1-8-14, calmodulin is involved in the Ca2+-dependent activation of ceramide kinase as a calcium-sensor | Mus musculus |
Cloned (Comment) | Organism |
---|---|
expression of wild-type and mutant enzymes in rat basophilic leukemia RBL-2H3 cells, expression of wild-type and mutant enzymes in CHO cells | Mus musculus |
Protein Variants | Comment | Organism |
---|---|---|
F429R | site-directed mutagenesis, weak binding of calmodulin compared to the wild-type enzyme | Mus musculus |
F431R | site-directed mutagenesis, no binding of calmodulin in contrary to the wild-type enzyme | Mus musculus |
L422R | site-directed mutagenesis, similar binding of calmodulin compared to the wild-type enzyme | Mus musculus |
L422R/F429R | site-directed mutagenesis | Mus musculus |
L435R | site-directed mutagenesis, no binding of calmodulin in contrary to the wild-type enzyme | Mus musculus |
additional information | construction of an enzyme mutant which shows loss of activity but contains the calmodulin binding motif, expression of the mutant inhibits Ca2+-dependent ceramide 1-phosphate formation | Mus musculus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
KN-93 | - |
Mus musculus | |
W-7 | calmodulin antagonist | Mus musculus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | completely dependent on, regulatory function for enzyme activity, calmodulin is involved in the Ca2+-dependent activation of ceramide kinase as a calcium-sensor | Mus musculus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + ceramide | Mus musculus | - |
ADP + ceramide 1-phosphate | - |
? | |
additional information | Mus musculus | ceramide kinase is a calcium-sensor | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Mus musculus | - |
- |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + ceramide | - |
Mus musculus | ADP + ceramide 1-phosphate | - |
? | |
additional information | ceramide kinase is a calcium-sensor | Mus musculus | ? | - |
? | |
additional information | the enzyme forms intracellular complexes with calmodulin | Mus musculus | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
CERK | - |
Mus musculus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
assay at | Mus musculus |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
ATP | - |
Mus musculus |