NheI
Sequence of NheI: 5´...GCTAGC...3´ 3´...CGATCG...5´
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Catalog-no
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Description
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units
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Euro
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| 250-146S |
NheI |
550 u |
18.00
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NheI 550 u |
Add |
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250-146L
|
NheI |
5x550 u |
90.00 |
NheI 2750 u |
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Overhang: 5´ - CTAG
Cut Site:
G / C T A G C
C G A T C / G
Isoschizomere: AsuNH I
Neoschizomere: BmtI
Source: Neisseria mucosa heildelbergensis (ATCC 25999).
Buffer supplied: 10x A
Substrate for unit definition: λ DNA (Hind III digest).
Reaction conditions: 50 mM potassium acetate, 20 mM Tris-acetate (pH 7.9 @ 25°C), 10 mM magnesium acetate, 1 mM dithiothreitol, 100 μg/ml BSA. Incubate at 37oC.
Storage buffer: 50 mM KCl, 10 mM Tris-HCl (pH 7.5), 0.1 mM EDTA, 1 mM dithiothreitol, 200 μg/ml BSA and 50% glycerol.
Store: at -20oC.
Absence of contaminants: 80 units of NheI do not produce any unspecific cleavage products after 16 hrs incubation with 1 μg of λ DNA/HindIII digest at 37oC. After 100-fold overdigestion with NheI, greater than 98% of the DNA fragments can be ligated and recut.
Heat inactivation: 65°C for 20 minutes.
Note: Activity inhibited by salt concentrations >100mM. Cleaves to leave a 5’ CTAG extension which can be efficiently ligated to DNA fragments generated by AvrII, SpeI, or XbaI.
Star activity: Low salt, high glycerol (>5%) concentrations, pH >8.0 or large excess of the enzyme may result in star activity.
Note: Activity may be blocked by some combinations overlapping CpG methylation.
Table of Restriction Endonucleases
Table of Isoschizomeres
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