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NcoI is a restriction enzyme purified from Nocardia corallina that cleaves the palindromic sequence CCATGG.

Rapid digest within 15 minutes.
Concentration: 10U/µL
Source: Nocardia corallina
Reagents supplied with: Buffer Simple
The Enzyme comes with the universal Simple Buffer. The enzyme is also fully active in the universal buffers from other suppliers like the Thermo Scientific™ 10x Buffer Tango™ (Fermentas) and the CutSmart® Buffer from NEB.

Store at: -20 °C

Lieferzeit: Lieferzeit 1-2 Werktage

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Unit definition: One unit is defined as amount of enzyme required to produce a complete digest of 1 µg Lambda DNA in 60 min in a total reaction volume of 50µL under the assay conditions.
Unit substrate: Lambda DNA.
Unit calculation assay conditions: 100 mM NaCl, 50 mM Tris-HCl (pH 7.9 at 25°C), 10 mM MgCl2, 1mM DTT, 0,02% Triton X-100, 100 µg/mL bovine serum albumin.
Absence of contaminants: 60 units of NcoI incubated for 16 hours at 37 °C with 1 μg of Lambda DNA do not produce any unspecific cleavage products. After 10-fold overdigestion with NcoI, greater than 95% of the DNA fragments can be ligated and recut with this enzyme.
Storage buffer: NcoI is supplied in 50 mM KCl, 10 mM TrisHCl (pH 7.4), 0.1 mM EDTA, 1 mM dithiothreitol, 200 μg/ml BSA and 50% glycerol.
Inactivation: Heat to 65 °C for 20 minutes. Inactivation is also possible by addition of EDTA to a final concentration of 10mM or SDS to a concentration of 0.1 %. Alternatively use our environmentally friendly 6x orange gel loading buffer. For further enzymatic reactions remove SDS or EDTA by spin column-based PCR purification kit.
Methylation Sensitivity: dam methylation: Not sensitive dcm methylation: Not sensitive CpG methylation: Not sensitive
Star activity: High enzyme concentration or glycerol concentration >5% may result in star activity.

Activity in Simplebiotech buffers:

   L                     M                      H                   SH           Simple
50-75            75-100             100                100             100


10x Simple buffer: 200 mM Tris acetate (pH 7.9 at 25 °C), 100 Mg acetate 500mM K acetat, 1mg/mL BSA

10x Simple buffer               2 µL
DNA (0.5-1µg)                      1µL
10 U NcoI                              1 µL
Nuclease free water          16 µL
                                 Final volume 20µL
Incubate at 37 °C for 15 minutes.

Always add the restriction enzymes as last component. Mix gently but thoroughly by pipetting up and down or flicking. Spin down.
Incubate at 37 °C for 15min. Restriction enzymes are stored in 50% glycerol. The glycerol concentration in the reaction mix should not exceed 10%. When digesting more than 1µg DNA, scale up the restriction mix or prolong the incubation time.



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