title: The effect of pH on the structure and activity of yeast RNA polymerase I.
mesh_terms: D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D008970:Molecular Weight; D011487:Protein Conformation; D012318:RNA Polymerase I / Q000037:antagonists & inhibitors / Q000378:metabolism*; D012441:Saccharomyces cerevisiae / Q000201:enzymology*
chemical_list: D012321:DNA-Directed RNA Polymerases; D012318:RNA Polymerase I