Cloning and expression of the BalI restriction-modification system

Harumi Ueno, Ikunoshin Kato, Yoshizumi Ishino

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

BalI, a type II restriction-modification (R-M) system from the bacterium, Brevibacterium albidum, recognized the DNA sequence 5'-TGGCCA-3'. We cloned the genes encoding the BalI restriction endonuclease and methyltransferase and expressed them in Escherichia coli. The two genes were aligned tail-to-tail and their termination codons overlapped. BalI restriction endonuclease and methyltransferase comprise 260 and 280 amino acids, respectively, and have molecular weights of 29 043 and 31 999 Da. The amino acid sequence of BalI methyltransferase is similar to that of other m6A MTases, although it has been categorized as m5C methyltransferase. A high expression system for the BalI restriction endonuclease was constructed in E.coli for the production of large quantities of enzyme.

Original languageEnglish
Pages (from-to)2268-2270
Number of pages3
JournalNucleic acids research
Volume24
Issue number12
DOIs
Publication statusPublished - Jun 15 1996

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DNA Restriction-Modification Enzymes
DNA Restriction Enzymes
Organism Cloning
Brevibacterium
Escherichia coli
Terminator Codon
Genes
Amino Acid Sequence
Molecular Weight
Bacteria
Amino Acids
Enzymes
TGGCCA-specific type II deoxyribonucleases
BalI methyltransferase

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

Cloning and expression of the BalI restriction-modification system. / Ueno, Harumi; Kato, Ikunoshin; Ishino, Yoshizumi.

In: Nucleic acids research, Vol. 24, No. 12, 15.06.1996, p. 2268-2270.

Research output: Contribution to journalArticle

Ueno, Harumi ; Kato, Ikunoshin ; Ishino, Yoshizumi. / Cloning and expression of the BalI restriction-modification system. In: Nucleic acids research. 1996 ; Vol. 24, No. 12. pp. 2268-2270.
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