Restriction and modification of DNA.
D000255:Adenosine Triphosphate; D001665:Binding Sites; D002874:Chromosome Mapping; D004269:DNA, Bacterial; D004720:Endonucleases; D004926:Escherichia coli / Q000201:enzymology; D005816:Genetic Complementation Test; D005827:Genetics, Microbial; D006193:Haemophilus influenzae / Q000201:enzymology; D008780:Methyltransferases; D009154:Mutation; D009690:Nucleic Acid Conformation; D012436:S-Adenosylmethionine
D004269:DNA, Bacterial; D012436:S-Adenosylmethionine; D000255:Adenosine Triphosphate; D008780:Methyltransferases; D004720:Endonucleases