BstF5 I

Enzyme nameBstF5 I
Prototype(FokI)
Known analogsBseGI, Fok I
SKUSE-E031
Turbo versionNot available
High-concentration versionNot available
Restriction typeType IISiType IIS enzymes recognize asymmetric DNA sequences and cleave outside the recognition site at a defined distance. They are widely used in Golden Gate assembly.
Recognition site
5'… GGATGNN▼ …3'
3'… CCTAC▲NN …5'
SourceBacillus stearothermophilus F5
Optimal bufferSE-buffer Y (33 mM Tris-acetate (pH 7.9 at 25°C); 10 mM magnesium acetate; 66 mM potassium acetate; 1 mM DTT.)
Optimal temperature65 °C
Inactivation temperature80 °C
Buffer activity
BGOWYROSE
75502550100100
Unit definitionOne unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA in 1 hour at 65°C in a total reaction volume of 50 μl.
Assayed onLambda DNA
Storage conditions10 mM Tris-HCl (pH 7.5); 50 mM KCl; 0,1 mM EDTA; 7 mM 2-mercaptoethanol; 200 μg/ml BSA; and 50% glycerol; Store at -20°C.
LigationAfter 10-fold overdigestion with enzyme more than 90% of the DNA fragments can be ligated and recut.
Nonspecific hydrolysisNo nonspecific activity was detected after incubation of 1 μg of Lambda DNA with 20 u.a. of enzyme for 16 hours at 65°C.
Methylation sensitivitynot tested
Reagents supplied with enzyme10 X SE-buffer Y
NotesThe minimum number of units that resulted in complete digestion of 1 μg of substrate DNA in 16 hours is 0,25.
References
  1. V.A. Chernukhin, L.N. Golikova, D.A. Gonchar, M.A. Abdurashitov, Y.G. Kashirina, N.A. Netesova, S.Kh. Degtyarev M.BstF5I-2 and M.BstF5I-4 DNA Methyltransferases from BstF5I restriction-modification system of Bacillus stearothermophilus F5. // Biochemistry (Moscow), Vol. 68, No 9, (2003). (In Russian)
  2. N.A. Netsova, L.N. Golikova, L.G. Ovechkina, A.A. Evdokimov, E.G. Malygin, N.S. Gololobova, D.A. Gonchar, S.Kh. Degtyarev The restriction-modification system from Bacillus stearothermophilius F5: Comparison study of the DNA methyltransferases M.BstF5I-1 and M.BstF5I-3. // Molecular Biology(Moscow), vol.36, p.1-8 (2002). (In Russian)
  3. L.V. Golikova, V.V. Gutorov, A.A. Evdokimov, S.N. Shchelkunov, D.A. Gonchar, S.S. Okhapkina, S.Kh. Degtyarev, N.A. Netesova M.BstF5I-1, the forth DNA-methyltransferase of the BstF5I restriction-modification system from Bacillus stearothermophilius F5. // Biorg. Chemistry(Moscow), vol.28, p.84-86 (2002). (In Russian)
  4. S.Kh. Degtyarev, N.A. Netesova, M.A. Abdurashito, A.V. Shevchenko Primary structure and strand specificity of BstF5 I — 1 DNA methyltransferase which recognizes 5′-GGATG-3′ // Gene, 187, 217-219 (1997).
  5. M.A. Abdurashitov, E.V. Kileva, N.M. Shinkarenko, A.V. Shevchenko, V.S. Dedkov, S.Kh.Degtyarev BstF5 I, an unusual isoschizomer of Fok I. // Gene, 172, 4951 (1996).
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