Neither the content nor the activity of Na +/K + ATPase and sarcoplasmic reticulum Ca2 + -ATPase are affected by DMPK absence .
O O O O O O O B-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity O B-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity I-ChemicalEntity O O O B-GeneOrGeneProduct O O