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当前位置: 首页 > 产品中心 > Oligomeric_nuclei_acid > MCLAB/T4核酸内切酶VII/ENDO7-200/10000 U
商品详细MCLAB/T4核酸内切酶VII/ENDO7-200/10000 U
MCLAB/T4核酸内切酶VII/ENDO7-200/10000 U
MCLAB/T4核酸内切酶VII/ENDO7-200/10000 U
商品编号: ENDO7-200
市场价: ¥12600.00
美元价: 7560.00
产地: 美国(厂家直采)
公司:
产品分类: 寡聚核酸
公司分类: Oligomeric_nuclei_acid
联系Q Q: 3392242852
电话号码: 4000-520-616
电子邮箱: info@ebiomall.com
商品介绍
EndonucleaseVIIistheproductofgene49ofbacteriophageT4.Ithasamassof18kDa.T4EndonucleaseVIIinvolvesinDNA-packaging,geneticrecombinationandmismatchrepairinvivo.

Description:
EndonucleaseVIIistheproductofgene49ofbacteriophageT4.Ithasamassof18kDa.T4EndonucleaseVIIinvolvesinDNA-packaging,geneticrecombinationandmismatchrepairinvivo.Ithasalsobeendemonstratedinvitrotoresolvesingle-basemisparings,heteroduplexloopsandbranchedDNAs,suchasfour-wayHollidayjunctionsandthree-wayY-structures. 

CRISPR-Cas9 System

Source:
Arecombinant E.coli straincarryingtheclonedT4EndonucleaseVIIgene
 
UnitDefinition:
Oneunit(0.5ng)oftheenzymeresolves50%of1pmolFAMlabeled28meroligonucleotidesubstrate[1]withintheimmobile4-wayHollidayjunctionstructurein30minutesat37°Cin50mMTris-HCl,pH8.0,10mMMgCl2,10mM2-MEand0.1μg/μlBSA. 

SpecificActivity: 2000U/µg

RecommendedStorageCondition: -20°C

ExperimentalData:
T4 Endonuclease VIIT4 Endonuclease VII

Figure1. PerformanceofMCLAB’sT4EndonucleaseVIIanalyzedbycapillaryelectrophoresis.(a)Negativecontrolsampleanalysis,10pmolofFAMlabeled28meroligonucleotidesubstrate.(b)40UofMCLAB’sT4EndonucleaseVIIwasabletofullyresolve10pmolofFAMlabeled28meroligonucleotidesubstratewitha4-wayHollidayjunctionstructure(30minutesat37°Cin50mMTris-HCl,pH8.0,10mMMgCl2,10mM2-MEand0.1μg/μlBSA).
T4 Endonuclease VII
Figure2. MCLAB’sT4EndonucleaseVIIandT7EndonucleaseI(fromothersupplier)activitycomparison. (a)10U(275fmol)ofMCLABT4’sEndonucleaseVIIcanresolve64%of10pmolof4-wayjunctionsubstrate(enzymetosubstratemolarratio1:70)in30minutesat37°Cin50mMTris-HCl,pH8.0,10mMMgCl2,10mM2-MEand0.1μg/μlBSA.(b)40U(368fmol)ofT7EndonucleaseI(supplierN)onlyresolves43%of10pmolof4-wayjunctionsubstrate(enzymetosubstratemolarratio1:50)in30minutesat37°Cin50mMNaCl,10mMTris-HCl,pH7.9,10mMMgCl2,1mMDTT.ComparedtoT7EndonucleaseI(supplierN),MCLAB’sT4EndonucleaseVIIresolves4-wayHollidayJunctionsatahigheryieldin30minuteswithlessenzyme.
T4 Endonuclease VII
T4EndonucleaseVIIProtocol

For4-wayjunctionsubstrate:

1.      Preparethefollowingreaction:

Component

Volume

Water

16µl

10xEndoVIIreactionbuffer

2µl

10µM4-wayJunction(FAMlabeled)

1µl

EndoVII(diluteifnecessary)

1µl

Total 

20µl

 

2.      Mixwellandincubatethereaction@37°Cfor30min.

3.      Use1µlreactiontoanalyzethecleavedfragmentsonCapillaryelectrophoresis.           

 

Forsinglebasemismatchsubstrate:

1.      Useabout200-400ngDNAfragmentthatcontainssinglebasemismatchforeachreaction:

Component

Volume

10xEndoVIIbuffer

1µl

Substrate

200-400ng

EndoVIIenzyme(diluteifnecessary)

1µl

Water

Tototalvolumeof10µl

Total 

10µl

 

2.   Mixwellandincubatethereaction@37°Cfor30min.

3.     Runa2%agarosegelandcheckforcleavedbands. 

 

Table.ComparisonofT4EndonucleaseVIIandT7EndonucleaseI

 

T4EndonucleaseVII

T7EndonucleaseI

ProteinMass

18KDa

60kDa

Function

Resolvase

Resolvase

Application

Enzymaticmutationdetection
ResolvebranchedDNA
Detectorcleaveheteroduplexes

Enzymaticmutationdetection
ResolvebranchedDNA
Detectorcleaveheteroduplexes

Source

BacteriophageT4

BacteriophageT7

ProteinDesign

T4EndonucleaseVII

Afusionofmaltosebindingprotein(MBP)andT7EndonucleaseI

Activity
(Testedwith4-wayHollidayjunctionsin30minutes.)

High*
10unitsoftheenzyme(278fmolprotein,molarratio1:70(Enzyme:Substrate))resolve64%of4-wayJunctions.

Low*
40unitsoftheenzyme(368fmolprotein,molarratio1:50(Enzyme:Substrate))resolve43%of4-wayJunctions.

Specificity

High*(singleresolvedpeakshownonCE)

Low*(multipleresolvedpeaksshownonCE)

*SeeFigure2forT4endonucleaseVIIandT7endonucleaseIactivitycomparisonresult.

Suppliedin:
10mMTris-HCl
50mMKCl 
1mMDTT
0.1mMEDTA 
50%Glycerol 
pH7.4@25°C

SuppliedWith:
10xT4EndonucleaseVIIReactionBuffer:
500mMTris-HCl
100mMMgCl2
100mM2-mercaptoethanol
1mg/mlBSA
pH8.0@25°C

Reference:
1.Golz,S.,Birkenbihl,R.P.,andKemper,B.(1995),DNAResearch2,277-284.

品牌介绍
MCLAB (Molecular Cloning Laboratories) is a leader in DNA sequencingservices and consumables. We are committed to providing the bestservices and products to researchers worldwide. MCLAB's large capacityDNA sequencing services (10,000+ reactions in 24 hours) is well knownfor high quality (up to 1000 bp read length), low cost (as low as$3.50/reaction) and fast turn around time (8~24 hours). Our proprietaryDNA sequencing consumables include NanoPOP (DNA Sequencing and FragmentAnalysis Matrix), NanoPOP Running Buffer, BigDye Dilution Buffer, CARE(Capillary Array Regeneration Excellence) solution, and DNA SizeStandards. In Addition, MCLAB also provides many other services,including gene synthesis, protein expression and purification, and codonmaximization. Other products include PCR, Real-time PCR, frozencompetent yeast, E. coli, as well as novel and traditional enzymes formolecular cloning applications.