Purification and characterization of DNA methyltransferases fromNeisseria gonorrhoeae
Author(s) -
Andrzej Piekarowicz,
R Yuan,
Daniel C. Stein
Publication year - 1988
Publication title -
nucleic acids research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 9.008
H-Index - 537
eISSN - 1362-4954
pISSN - 0305-1048
DOI - 10.1093/nar/16.13.5957
Subject(s) - biology , methyltransferase , neisseria gonorrhoeae , cytosine , dna , nuclease , genetics , microbiology and biotechnology , methylation
Three DNA methyltransferases, M.NgoAI, and M.NgoBI and M.NgoBII, free of any nuclease activities were isolated from Neisseria gonorrhoeae strains WR220 and MUG116 respectively. M.NgoAI recognizes the sequence 5' GGCC 3' and methylates the first 5' cytosine on both strands. M.NgoBI and M.NgoBII recognize 5' TCACC 3' and 5' GTAN5CTC 3' respectively. M.NgoBII methylates cytosine on only one strand to produce 5' GTAN5mCTC 3'.
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