What is the Difference Between Calbindin Calretinin and Calmodulin?
🆚 Go to Comparative Table 🆚Calbindin, calretinin, and calmodulin are three distinct calcium-binding proteins that play different roles in calcium homeostasis and signaling. The main differences between them are:
- Calbindin: This protein is involved in calcium-binding and absorption. It is directly dependent on vitamin D and plays a crucial role in maintaining calcium levels in the body.
- Calretinin: Unlike calbindin, calretinin is involved in calcium signaling. It is a multifunctional protein that is independent of vitamin D and is implicated in various biological processes.
- Calmodulin: This protein functions as a multifunctional intermediate calcium-binding protein. It is involved in regulating effector molecules and can also act as a buffer for calcium.
In summary, calbindin is primarily involved in calcium-binding and absorption, calretinin plays a role in calcium signaling, and calmodulin functions as a multifunctional intermediate calcium-binding protein. The genes coding for these proteins are CALB1 and CALB2 for calbindin, CALM1, CALM2, and CALM3 for calmodulin.
Comparative Table: Calbindin Calretinin vs Calmodulin
Here is a table comparing the differences between Calbindin, Calretinin, and Calmodulin:
Protein | Function | Gene |
---|---|---|
Calbindin | Calcium-binding and absorption | CALB1, CALB2 |
Calretinin | Calcium signaling | CALB1, CALB2 |
Calmodulin | Multifunctional intermediate calcium-binding | CALM1, CALM2, CALM3 |
Calbindin and Calretinin are both involved in calcium homeostasis, with Calbindin being directly dependent on vitamin D and Calretinin being independent of it. Calmodulin, on the other hand, functions as a multifunctional intermediate calcium-binding protein and is involved in various biological processes.
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