GO_term: GO:0009307   

GO:0009307	Definition	The cleavage of DNA by restriction nucleases, which cut the DNA double helix at specific sites defined by the local nucleotide sequence.
		The processes that protect an organism from invading foreign DNA by methylation of self DNA at specific sequences and nucleolytic cleavage of unmethylated foreign DNA.
	Term	DNA restriction
		DNA restriction-modification system
	Type	Biological_process
	Parent	Instance_of	GO:0006304
	Attributes_of	Motif (6)
		Index	Ancestor (36)
			Descendent	GO:0006323
				GO:0009307
				GO:0030258

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