BstAU I

Enzyme nameBstAU I
PrototypeBsp1407I
Known analogsBsp1407I, BsrGI, SspBI
SKUSE-E267
Turbo versionAvailable
High-concentration versionNot available
Restriction typeType IIPiType IIP enzymes are classical Type II restriction enzymes with palindromic recognition sequences and symmetric cleavage sites.
Recognition site
5'… T▼GTACA …3'
3'… ACATG▲T …5'
SourceBacillus stearothermophillus AU
Optimal bufferSE-buffer W (10 mM Tris-HCl (pH 8.5 at 25°C); 10 mM MgCl2; 100 mM NaCl; 1 mM DTT.)
Optimal temperature37 °C
Inactivation temperature80 °C
Buffer activity
BGOWYROSE
10502510025100
Unit definitionOne unit of the enzyme is the amount required to hydrolyze 1 μg of Lambda DNA in 1 hour at 37°C in a total reaction volume of 50 μl.
Assayed onLambda DNA
Storage conditions10 mM Tris-HCl (pH 7.5); 100 mM KCl; 0.1 mM EDTA; 7 mM 2-mercaptoethanol; 100 μg/ml BSA; 50% glycerol. Store at -20°C.
LigationAfter 20-fold overdigestion with enzyme > 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 40 u.a. of enzyme for 16 hours at 37°C.
Methylation sensitivitynot tested
Reagents supplied with enzyme10 X SE-buffer W
References
  1. Unpublished data Abdurashitov, M.A., Dedkov, V.S., Shinkarenko, N.M., Tomilova, J.E., Degtyarev, S.K Unpublished observations (2003)
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