title: Inhibitory effects of acid polysaccharides from sea urchin embryos on RNA polymerase activity.
mesh_terms: D000818:Animals; D002807:Chondroitin; D004625:Embryo, Nonmammalian / Q000201:enzymology; D004926:Escherichia coli / Q000201:enzymology; D006493:Heparin; D006820:Hyaluronic Acid; D009994:Osmolar Concentration; D011134:Polysaccharides; D012313:RNA; D012316:RNA Nucleotidyltransferases / Q000037:antagonists & inhibitors*; D012617:Sea Urchins / Q000201:enzymology
chemical_list: D011134:Polysaccharides; D012313:RNA; D006820:Hyaluronic Acid; D006493:Heparin; D002807:Chondroitin; D012316:RNA Nucleotidyltransferases