| Literature DB >> 2836360 |
Abstract
A sequence-specific modification methylase (M . SinI) was isolated and purified from Escherichia coli harboring a derivative of recombinant plasmid pSI4 (see accompanying manuscript: C. Karreman and A. de Waard, J. Bacteriol. 170:2527-2532, 1988), which contains a Salmonella infantis DNA insert. The enzyme uniquely methylates the internal deoxycytidylate residue in the nucleotide sequence GG(A/T)MeCC, thereby protecting DNA completely against cleavage by restriction endonuclease R . SinI or R . AvaII [GG(A/T)CC], and in part against cleavage by R . Sau96I (GGNCC).Entities:
Mesh:
Substances:
Year: 1988 PMID: 2836360 PMCID: PMC211167 DOI: 10.1128/jb.170.6.2533-2536.1988
Source DB: PubMed Journal: J Bacteriol ISSN: 0021-9193 Impact factor: 3.490