1. An active fragment of DNA polymerase produced by proteolytic cleavage;Brutlag;Biochem. Biophys. Res. Commun.,1969
2. Construction of a plasmid that overproduces the large proteolytic fragment (Klenow fragment) of DNA polymerase I of Escherichia coli;Joyce,1983
3. Method for determining whether a gene of Escherichia coli is essential: application to the polA gene;Joyce;J. Bacteriol.,1984
4. Selective elimination of the exonuclease activity of deoxyribonucleic acid polymerase from Escherichia coli B by limited proteolysis;Klenow,1970
5. Active centre of DNA polymerase;Kornberg;Science,1969