A protein factor that regulates the length of R-actin. It is chemically similar, but immunochemically distinguishable from actin.
Creatine Kinase, BB Form
A form of creatine kinase found in the BRAIN.
Microfilament Proteins
Monomeric subunits of primarily globular ACTIN and found in the cytoplasmic matrix of almost all cells. They are often associated with microtubules and may play a role in cytoskeletal function and/or mediate movement of the cell or the organelles within the cell.