
pmid: 6086461
A new Type II restriction endonuclease XcyI, purified from Xanthomonas cyanopsidis 13D5, is an isoschizomer of SmaI and XmaI that cleaves at the nucleotide sequence 5'-C decreases CCGGG-3' of double-stranded DNA. The single restriction activity present in this strain permits rapid purification of 8000 units of cleavage activity from 10 g of freshly harvested cells. The resulting XcyI preparation is free of contaminating nuclease activities that interfere with in vitro manipulation of DNA.
DNA, Bacterial, Xanthomonas, Bacterial Proteins, Base Sequence, DNA Restriction Enzymes
DNA, Bacterial, Xanthomonas, Bacterial Proteins, Base Sequence, DNA Restriction Enzymes
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