Enzymatic joining of deoxyribonucleic acid strands. 3. Further purification of the deoxyribonucleic acid ligase from Escherichia coli and multiple forms of the purified enzyme.

Adenine Nucleotides Aluminum Carbon Isotopes Cellulose Chemical Phenomena Chemical Precipitation Chemistry Chromatography Chromatography, Gel Chromatography, Ion Exchange DNA, Bacterial Dextrans Dinitrophenols Drug Stability Escherichia coli/enzymology Hydrogen-Ion Concentration Ligases/isolation & purification Methanol Methods Oxides Quaternary Ammonium Compounds Streptomycin

Adenine Nucleotides Carbon Isotopes DNA, Bacterial Dextrans Dinitrophenols Oxides Quaternary Ammonium Compounds Cellulose Aluminum Ligases Streptomycin Methanol