[Isolation and properties of an actomyosin-like protein from bovine brain glial cells]

Actomyosine-like protein (AMLP) was isolated from the enriched glial fraction of the bovine brain cortex. The AMLP yield constitutes 0.05% of protein in the glial cells. The AMLP contained nucleotides; there were reversible association-dissociation reactions under the effect of Mg2+ ions and ATP characteristic of AMLP. ATP-ase of glial AMLP, activated with Ca2+ ions more than with Mg2+ ions, differed from AMLP of neuronal origin.