A procedure for the isolation and partial purification of three hydroxymethylglutaryl coenzyme A reductase phosphatases in their native high molecular weight form from rat liver microsomes is described for the first time. Reductase phosphatase Ex (Mr 90. 000). IM (Mr 75. https://www.ozautosportes.shop/product-category/accessoriescar-partsemission-systemslambda-probes/