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Specifications

5'-C^A A T T G-3'
3'-G T T A A^C-5'
Catalog #	M9219
Concentration	~10u/ul
Source	E. coli that carries the cloned munIR gene from Mycoplasma unidentified.
Storage Buffer	10mM Tris-HCl (pH 7.4 at 25°C), 100mM KCl, 1mM DTT, 1mM EDTA, 0.2mg/ml BSA and 50% glycerol.
Diluent Buffer	10mM Tris-HCl (pH 7.4 at 25°C), 100mM KCl, 1mM EDTA, 1mM DTT, 0.2mg/ml BSA and 50% glycerol.
Supplied with	R1625-Restriction Enzyme Buffer A, 10X:
	Dilute to 1X for use. 1X buffer composition is 33mM Tris-acetate (pH 7.9 at 37°C), 10mM magnesium acetate, 66mM potassium acetate, 0.1mg/ml BSA.
R1625-02-Restriction Enzyme Buffer C, 10X	Dilute to 1X for 100% MunI digestion. 1X buffer compostion is 10mM Tris-HCl (pH 7.5), 10mM MgCl2, 50mM NaCl and 0.1mg/ml BSA. Incubate at 37°C
Storage and Stability
	May be stored at 4°C for short-term only. For long-term storage, aliquot and store at -20°C. Aliquots are stable for at least 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Overdigestion Assay	No detectable change in the specific fragmentation pattern is observed after 160-fold overdigestion (10u/ug lambda DNA x 16 hours) with MunI.
Ligation/Recutting Assay	After 50-fold overdigestion (3u/ug DNA x 17 hours) with MunI, more than 95% of the DNA fragments can be ligated at a 5'-termini concentration of 0.07uM. More than 95% of these can be recut.
Labeled Oligonucleotide (LO) Assay	No detectable degradation of a single-stranded and double-stranded labeled oligonucleotide was observed after incubation with 10 units of enzyme for 4 hours.
Blue/White Cloning Assay	The mix of pUC57/HindIII, pUC57/PstI and pUC57/Eco32I digests was incubated with 10 units of enzyme for 16 hours. After religation and transformation < 1% of white colonies were detected.
Stability during Prolonged Incubation	A minimum of 0.1 units of enzyme is required for complete digestion of 1ug of lambda DNA in 16 hours at 37°C.
Thermal Inactivation	Enzyme is inactivated by incubation at 65°C for 20min.
Digestion of Agarose-embedded DNA	A minimum of 5 units of enzyme is required for digestion of 1ug of agarose-embedded lambda DNA in 16 hours.
Compatible Ends
XapI, EcoRI, TasI
Number of Recognition Sites in DNA
Lambda	8
PhiX174	1
M13mp18/19	0
pBR322	0
pUC18/19	0
pUC57	0
pTZ19R/U	0
Methylation Effect on Digestion
Dam, Dcm, CpG, EcoKI	Never overlaps - no effect.
EcoBI	May overlap - effect undetermined.
Unit Definition	One unit is defined as the amount of enzyme required to digest 1ug of lambda DNA in 1 hour at 37°C in 50ul of assay buffer.
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.