title: Calcium protects DNase I from proteinase K: a new method for the removal of contaminating RNase from DNase I.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology; D003850:Deoxyribonuclease I; D003851:Deoxyribonucleases / Q000302:isolation & purification / Q000378:metabolism*; D004720:Endonucleases / Q000302:isolation & purification / Q000378:metabolism*; D019286:Endopeptidase K; D010450:Endopeptidases / Q000378:metabolism*; D005260:Female; D010063:Ovum / Q000201:enzymology*; D012259:Ribonuclease, Pancreatic; D012260:Ribonucleases / Q000378:metabolism*; D012617:Sea Urchins / Q000201:enzymology
chemical_list: D003851:Deoxyribonucleases; D004720:Endonucleases; D012260:Ribonucleases; D003850:Deoxyribonuclease I; D012259:Ribonuclease, Pancreatic; D010450:Endopeptidases; D019286:Endopeptidase K; D002118:Calcium