Product info: Hpa II

Hpa IIBlocked by 
C(5mC)GG methylation    
Cat. #E161E162E161m
Package, u.a.5002500250
Concentration, u.a./ml100001000010000

Recognition site
SourceE.coli strain, that carries the cloned gene Hpa II from Haemophilus parainfluenzae
Assayed onLambda DNA
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.
Optimal SE-bufferB (10 mM Tris-HCl (pH 7.6 at 25°C); 10 mM MgCl2; 1 mM DTT.)
Enzyme activity (%)
10050 - 7510 - 2525 - 5050 - 7550
Optimal temperature
Storage conditions10 mM Tris-HCl (pH 7.5); 50 mM NaCl; 0,1 mM EDTA; 1 mM DTT; 100 μg/ml BSA; 50% glycerol; Store at -20°C.
LigationsAfter 10-fold overdigestion with enzyme more than 95% of the DNA fragments can be ligated and recut.
Non-specific hydrolisisNo nonspecific activity was detected after incubation of 1 μg of Lambda DNA with 10 u.a. of enzyme for 16 hours at 37°C.
Reagents Supplied with Enzyme 10 X SE-buffer B
Methylation sensitivityBlocked by CG methylation.
Inactivation 20 minutes under
Quality control
Restriction Endonucleases: Quality Control
MSDS:Download MSDS as PDF
References:Sharp, P.A., Sugden, B., Sambrook, J. Biochemistry 12: 3055-3063 (1973).
 Chernukhin V.A, Abdurashitov M.A., Tomilov V.N., Gonchar D.A., Degtyarev S.Kh. Comparative analysis of mouse chromosomal DNA digestion with restriction endonucleases in vitro and in silico // "Ovchinnikov bulletin of biotechnology and physical and chemical biology" V.3, No 4, pp 19-27, 2007
 V.A. Chernukhin, M.A. Abdurashitov, V.N. Tomilov, D.A. Gonchar, S.Kh. Degtyarev Comparative restriction enzymes analysis of rat chromosomal DNA in vitro and in silico // "Ovchinnikov bulletin of biotechnology and physical and chemical biology" V.2, No 3, pp 39-46, 2006
Theoretical diagrams of DNA digestion by this enzyme for the most known DNA substrates:

To view the fragments length values please point mouse cursor over diagram
Fragment lengths

M - ladder, 1 - Adeno-2 DNA, 2 - Lambda DNA, 3 - T7 DNA, 4 - pUC19, 5 - pBR322