限制性内切酶一览表
常见限制性内切酶识别序列
常见限制性内切酶识别序列(酶切位点)（BamHI、EcoRI、HindII I、NdeI、XhoI等）Time：2009-10-22 PM 15:38Author:bioerHits: 7681 times在分子克隆实验中，限制性内切酶是必不可少的工具酶。
无论是构建克隆载体还是表达载体，要根据载体选择合适的内切酶（当然，使用T 载就不必考虑了）。
先将引物设计好，然后添加酶切识别序列到引物5' 端。
常用的内切酶比如Bam HI、EcoRI、HindII I、NdeI、XhoI等可能你都已经记住了它们的识别序列，不过为了保险起见，还是得查证一下。
下面是一些常用的II型内切酶的识别序列，仅供参考。
先介绍一下什么是II型内切酶吧。
The Type II restri ction system s typica lly contai n indivi dualrestri ction enzyme s and modifi catio n enzyme s encode d by separa te genes. The Type II restri ction enzyme s typica lly recogn ize specif ic DNA sequen ces and cleave at consta nt positi ons at or closeto that sequen ce to produc e 5-phosph atesand 3-hydrox yls. Usuall y they requir e Mg 2+ ions as a cofact or, althou gh some have more exotic requir ement s. The methyl trans feras es usuall y recogn ize the same sequen ce althou gh some are more promis cuous. Threetypesof DNA methyl trans feras es have been foundas part of Type II R-M system s formin g either C5-methyl cytos ine, N4-methyl cytos ine or N6-methyl adeni ne.酶类型识别序列ApaIType II restri ctionenzyme5'GGGCC^C 3'BamHIType II restri ctionenzyme5' G^GATCC3'BglIIType II restri ctionenzyme5' A^GATCT3'EcoRIType II restri ctionenzyme5' G^AATTC3'HindII IType II restri ctionenzyme5' A^AGCTT3'KpnIType II restri ctionenzyme5' GGTAC^C 3'NcoIType II restri ctionenzyme5' C^CATGG3' NdeIType II restri ctionenzyme5' CA^TATG 3'NheIType II restri ctionenzyme5' G^CTAGC3'NotIType II restri ctionenzyme5' GC^GGCCGC 3'SacIType II restri ctionenzyme5' GAGCT^C 3'SalIType II restri ctionenzyme5' G^TCGAC3' SphIType II restri ctionenzyme5' GCATG^C 3'XbaIType II restri ctionenzyme5' T^CTAGA3'XhoIType II restri ctionenzyme5' C^TCGAG3'要查找更多内切酶的识别序列，你还可以选择下面几种方法：1. 查你所使用的内切酶的公司的目录或者网站；2. 用软件如：Primer Premie r5.0或Bioe dit等，这些软件均提供了内切酶识别序列的信息；3. 推荐到NEB的REBA SE数据库去查（网址：http://rebas/rebase/rebase.html）当你设计好引物，添加上了内切酶识别序列，下一步或许是添加保护碱基了，可以参考：NEB公司网站提供的关于设计PC R引物保护碱基参考表下载（也可见图片）双酶切buf fer的选择（MBI、罗氏、NEB、Prom eg a、Takara）再给大家推荐一种新的不需要连接反应的分子克隆方法，优点包括：①设计引物不必考虑选择什么酶切位点；②不必考虑保护碱基的问题；③不必每次都选择合适的酶来酶切质粒制备载体；④而且不需要D NA连接酶；⑤假阳性几率低（因为没有连接反应这一步，载体自连的问题没有了）。
基因工程限制性内切酶酶切位点大全-推荐下载
Acc65I识别位点AccI识别位点AciI识别位点AclI识别位点AcuI识别位点AfeI识别位点AflII识别位点AflIII识别位点AgeI识别位点AhdI识别位点AleI识别位点AluI识别位点AlwI识别位点AlwNI识别位点ApaI识别位点ApaLI识别位点ApeKI识别位点ApoI识别位点AscI识别位点AseI识别位点AsiSI识别位点AvaI识别位点AvaII识别位点AvrII识别位点BaeI识别位点BamHI识别位点BanI识别位点BanII识别位点BbvCI识别位点BbvI识别位点BccI识别位点BceAI识别位点BcgI识别位点BciVI识别位点BclI识别位点BfaI识别位点BfuAI识别位点BglI识别位点BglII识别位点BlpI识别位点Bme1580I识别位点BmgBI识别位点BmrI识别位点BmtI识别位点BpmI识别位点Bpu10I识别位点BpuEI识别位点BsaAI识别位点BsaBI识别位点BsaHI识别位点BsaI识别位点BsaJI识别位点BsaWI识别位点BsaXI识别位点BseRI识别位点BseYI识别位点BsiEI识别位点BsiHKAI识别位点BsiWI识别位点BslI识别位点BsmAI识别位点BsmBI识别位点BsmFI识别位点BsmI识别位点BsoBI识别位点Bsp1286I识别位点BspCNI识别位点BspDI识别位点BspEI识别位点BspHI识别位点BspMI识别位点BspQI识别位点BsrBI识别位点BsrDI识别位点BsrFI识别位点BsrGI识别位点BsrI识别位点BssHII识别位点BssKI识别位点BssSI识别位点BstAPI识别位点BstBI识别位点BstEII识别位点BstNI识别位点BstXI识别位点BstYI识别位点BstZ17I识别位点Bsu36I识别位点BtgI识别位点BtgZI识别位点BtsCI识别位点BtsI识别位点Cac8I识别位点ClaI识别位点CspCI识别位点CviAII识别位点CviKI-1识别位点CviQI识别位点DdeI识别位点DpnI识别位点DpnII识别位点DraI识别位点DraIII识别位点DrdI识别位点EaeI识别位点EaeI识别位点EagI识别位点EarI识别位点EciI识别位点EcoNI识别位点EcoO109I识别位点EcoP15I识别位点EcoRI识别位点EcoRV识别位点FatI识别位点FauI识别位点Fnu4HI识别位点FokI识别位点FseI识别位点FspI识别位点HaeII识别位点HaeIIIHgaI识别位点HhaI识别位点HincII识别位点HindIII识别位点HinfI识别位点HinP1I识别位点HpaI识别位点HpaII识别位点HphI识别位点Hpy188I识别位点Hpy188III识别位点Hpy99I识别位点HpyAV识别位点HpyCH4III识别位点HpyCH4IV HpyCH4V识别位点KasI识别位点KpnI识别位点MboI识别位点MboII识别位点MfeI识别位点MluI识别位点MlyI识别位点MmeI识别位点MnlI识别位点MscI识别位点MseI识别位点MslI识别位点MspA1I识别位点MspI识别位点MwoI识别位点NaeI识别位点NarI识别位点NciI识别位点NdeI识别位点NgoMIV识别位点NheI识别位点NlaIII识别位点NlaIV识别位点NmeAIII识别位点NotI识别位点NruI识别位点NsiI识别位点NspI识别位点PacI识别位点PaeR7I识别位点PciI识别位点PflFI识别位点PflMI识别位点PhoI识别位点PleI识别位点PmeI识别位点PmlI识别位点PpuMI识别位点PshAI识别位点PsiI识别位点PspGI识别位点PspOMI识别位点PspXI识别位点PstI识别位点PvuI识别位点PvuII识别位点RsrII识别位点SacI识别位点SacII识别位点SalI识别位点SapI识别位点Sau3AI识别位点Sau96I识别位点SbfI识别位点ScaI识别位点ScrFI识别位点SexAI识别位点SfaNI识别位点SfcI识别位点SfiI识别位点SfoI识别位点SgrAI识别位点SmaI识别位点SmlI识别位点SnaBI识别位点SpeI识别位点SphI识别位点SspI识别位点StuI识别位点StyD4I识别位点StyI识别位点SwaI识别位点TaqαI识别位点TfiI识别位点TseI识别位点Tsp45I识别位点Tsp509I识别位点TspMI识别位点TspRI识别位点Tth111I识别位点XbaI识别位点XcmI识别位点XhoI识别位点XmaI识别位点XmnI识别位点ZraI识别位点。
限制性内切酶酶切位点汇总
限制性内切酶酶切位点汇AatII识别位点Acc65I识别位点AccI识别位点AciI识别位点AclI识别位点AcuI识别位点AfeI识别位点AflII识别位点AflIII识别位点AgeI识别位点AhdI识别位点AleI识别位点AluI识别位点AlwI识别位点AlwNI识别位点ApaI识别位点ApaLI识别位点ApeKI识别位点ApoI识别位点AscI识别位点AseI识别位点AsiSI识别位点AvaI识别位点AvaII识别位点AvrII识别位点BaeI识别位点BamHI识别位点BanI识别位点BanII识别位点BbsI识别位点BbvCI识别位点BbvI识别位点BccI识别位点BceAI识别位点BcgI识别位点BciVI识别位点BclI识别位点BfaI识别位点BfuAI识别位点BglI识别位点BglII识别位点BlpI识别位点Bme1580I识别位点BmgBI识别位点BmrI识别位点BmtI识别位点BpmI识别位点Bpu10I识别位点BpuEI识别位点BsaAI识别位点BsaBI识别位点BsaHI识别位点BsaI识别位点BsaJI识别位点BsaWI识别位点BsaXI识别位点BseRI识别位点BseYI识别位点BsgI识别位点BsiEI识别位点BsiHKAI识别位点BsiWI识别位点BslI识别位点BsmAI识别位点BsmBI识别位点BsmFI识别位点BsmI识别位点BsoBI识别位点Bsp1286I识别位点BspCNI识别位点BspDI识别位点BspEI识别位点BspHI识别位点BspMI识别位点BspQI识别位点BsrBI识别位点BsrDI识别位点BsrFI识别位点BsrGI识别位点BsrI识别位点BssHII识别位点BssKI识别位点BssSI识别位点BstAPI识别位点BstBI识别位点BstEII识别位点BstNI识别位点BstUI识别位点BstXI识别位点BstYI识别位点BstZ17I识别位点Bsu36I识别位点BtgI识别位点BtgZI识别位点BtsCI识别位点BtsI识别位点Cac8I识别位点ClaI识别位点CspCI识别位点CviAII识别位点CviKI-1识别位点CviQI识别位点DdeI识别位点DpnI识别位点DpnII识别位点DraI识别位点DraIII识别位点DrdI识别位点EaeI识别位点EaeI识别位点EagI识别位点EarI识别位点EciI识别位点EcoNI识别位点EcoO109I识别位点EcoP15I识别位点EcoRI识别位点EcoRV识别位点FatI识别位点FauI识别位点Fnu4HI识别位点FokI识别位点FseI识别位点FspI识别位点HaeII识别位点HaeIIIHgaI识别位点HhaI识别位点HincII识别位点HindIII识别位点HinfI识别位点HinP1I识别位点HpaI识别位点HpaII识别位点HphI识别位点Hpy188I识别位点Hpy188III识别位点Hpy99I识别位点HpyAV识别位点HpyCH4III识别位点HpyCH4IV HpyCH4V识别位点KasI识别位点KpnI识别位点MboI识别位点MboII识别位点MfeI识别位点MluI识别位点MlyI识别位点MmeI识别位点MnlI识别位点MscI识别位点MseI识别位点MslI识别位点MspA1I识别位点MspI识别位点MwoI识别位点NaeI识别位点NarI识别位点NciI识别位点NcoI识别位点NdeI识别位点NgoMIV识别位点NheI识别位点NlaIII识别位点NlaIV识别位点NmeAIII识别位点NotI识别位点NruI识别位点NsiI识别位点NspI识别位点PacI识别位点PaeR7I识别位点PciI识别位点PflFI识别位点PflMI识别位点PhoI识别位点PleI识别位点PmeI识别位点PmlI识别位点PpuMI识别位点PshAI识别位点PsiI识别位点PspGI识别位点PspOMI识别位点PspXI识别位点PstI识别位点PvuI识别位点PvuII识别位点RsaI识别位点RsrII识别位点SacI识别位点SacII识别位点SalI识别位点SapI识别位点Sau3AI识别位点Sau96I识别位点SbfI识别位点ScaI识别位点ScrFI识别位点SexAI识别位点SfaNI识别位点SfcI识别位点SfiI识别位点SfoI识别位点SgrAI识别位点SmaI识别位点SmlI识别位点SnaBI识别位点SpeI识别位点SphI识别位点SspI识别位点StuI识别位点StyD4I识别位点StyI识别位点SwaI识别位点TaqαI识别位点TfiI识别位点TliI识别位点TseI识别位点Tsp45I识别位点Tsp509I识别位点TspMI识别位点TspRI识别位点Tth111I识别位点XbaI识别位点XcmI识别位点XhoI识别位点XmaI识别位点XmnI识别位点ZraI识别位点。
限制性内切酶
5’-G BamH I 3’-CCTAG
GATCT-3’ A-5’
Bgl Ⅱ
BamH I 5’-GGATCC-3’ 3’-CCTAGG-5’
5’-GGATCT-3’ 3’-CCTAGA-5’ Sau 3A
Bgl Ⅱ
5’-AGATCT-3’ 3’-TCTAGA-5’
III类限制性内切酶
能完全肯定的识别位点和切割位点，但切 割位点也是在识别位点的一侧的一定距离，通 常距特异性位点24bp-26bp。
I 型：切割位点不确定，不适用于基因工程。 Ⅱ型：基因工程的工具酶。 Ⅲ型：切割位点不在识别位点，对分子克隆操作 亦无实用意义。
I型限制性内切酶
首先由M.Meselson和R.Yuan在1968年从大 肠杆菌B株和K株分离得到。 作用原理：识别双链DNA未甲基化修饰的特异 序列，与该序列相互作用，然后延DNA分子移 动，在距离特异性识别位点约1000-1500bp处 随机切开一条单链，造成大约75个核苷酸的 切口。
4.DNA的分子结构
DNA分子的不同构型对限制性内切酶 的活性也有很大的影响。某些限制性核酸 内切酶切割超螺旋的质粒DNA所需要的酶量 要比消化线性的DNA量高出很多倍。
5. 缓冲液
是影响限制酶活性的重要因素。商品化的限 制酶一般都带有专用缓冲液。
化学组成 MgCl2、NaCl/KCl：提供Mg2+和离子强度 Tris-HCl：维持pH 二硫苏糖醇（DTT）：保持酶稳定性 牛血清白蛋白BSA等：有助于酶的稳定
• 识别序列
通常识别的是4-8bp的回文序列，多为6bp，在 识别序列内或其附近水解DNA链中的磷酸二酯键。
• 酶切切口
齐平末端：在识别序列内的对称轴上切割，其 切割产物具平头末端（不易重新连接）。
常用限制性内切酶酶切位点汇总
Acc65I识别位点AccI识别位点AciI识别位点AclI识别位点AcuI识别位点AfeI识别位点AflII识别位点AflIII识别位点AgeI识别位点AhdI识别位点AleI识别位点AluI识别位点AlwI识别位点AlwNI识别位点ApaI识别位点ApaLI识别位点ApeKI识别位点ApoI识别位点AscI识别位点AseI识别位点AsiSI识别位点AvaI识别位点AvaII识别位点AvrII识别位点BaeI识别位点BamHI识别位点BanI识别位点BanII识别位点BbvCI识别位点BbvI识别位点BccI识别位点BceAI识别位点BcgI识别位点BciVI识别位点BclI识别位点BfaI识别位点BfuAI识别位点BglI识别位点BglII识别位点BlpI识别位点Bme1580I识别位点BmgBI识别位点BmrI识别位点BmtI识别位点BpmI识别位点Bpu10I识别位点BpuEI识别位点BsaAI识别位点BsaBI识别位点BsaHI识别位点BsaI识别位点BsaJI识别位点BsaWI识别位点BsaXI识别位点BseRI识别位点BseYI识别位点BsiEI识别位点BsiHKAI识别位点BsiWI识别位点BslI识别位点BsmAI识别位点BsmBI识别位点BsmFI识别位点BsmI识别位点BsoBI识别位点Bsp1286I识别位点BspCNI识别位点BspDI识别位点BspEI识别位点BspHI识别位点BspMI识别位点BspQI识别位点BsrBI识别位点BsrDI识别位点BsrFI识别位点BsrGI识别位点BsrI识别位点BssHII识别位点BssKI识别位点BssSI识别位点BstAPI识别位点BstBI识别位点BstEII识别位点BstNI识别位点BstXI识别位点BstYI识别位点BstZ17I识别位点Bsu36I识别位点BtgI识别位点BtgZI识别位点BtsCI识别位点BtsI识别位点Cac8I识别位点ClaI识别位点CspCI识别位点CviAII识别位点CviKI-1识别位点CviQI识别位点DdeI识别位点DpnI识别位点DpnII识别位点DraI识别位点DraIII识别位点DrdI识别位点EaeI识别位点EaeI识别位点EagI识别位点EarI识别位点EciI识别位点EcoNI识别位点EcoO109I识别位点EcoP15I识别位点EcoRI识别位点EcoRV识别位点FatI识别位点FauI识别位点Fnu4HI识别位点FokI识别位点FseI识别位点FspI识别位点HaeII识别位点HaeIIIHgaI识别位点HhaI识别位点HincII识别位点HindIII识别位点HinfI识别位点HinP1I识别位点HpaI识别位点HpaII识别位点HphI识别位点Hpy188I识别位点Hpy188III识别位点Hpy99I识别位点HpyAV识别位点HpyCH4III识别位点HpyCH4IV HpyCH4V识别位点KasI识别位点KpnI识别位点MboI识别位点MboII识别位点MfeI识别位点MluI识别位点MlyI识别位点MmeI识别位点MnlI识别位点MscI识别位点MseI识别位点MslI识别位点MspA1I识别位点MspI识别位点MwoI识别位点NaeI识别位点NarI识别位点NciI识别位点NdeI识别位点NgoMIV识别位点NheI识别位点NlaIII识别位点NlaIV识别位点NmeAIII识别位点NotI识别位点NruI识别位点NsiI识别位点NspI识别位点PacI识别位点PaeR7I识别位点PciI识别位点PflFI识别位点PflMI识别位点PhoI识别位点PleI识别位点PmeI识别位点PmlI识别位点PpuMI识别位点PshAI识别位点PsiI识别位点PspGI识别位点PspOMI识别位点PspXI识别位点PstI识别位点PvuI识别位点PvuII识别位点RsrII识别位点SacI识别位点SacII识别位点SalI识别位点SapI识别位点Sau3AI识别位点Sau96I识别位点SbfI识别位点ScaI识别位点ScrFI识别位点SexAI识别位点SfaNI识别位点SfcI识别位点SfiI识别位点SfoI识别位点SgrAI识别位点SmaI识别位点SmlI识别位点SnaBI识别位点SpeI识别位点SphI识别位点SspI识别位点StuI识别位点StyD4I识别位点StyI识别位点SwaI识别位点TaqαI识别位点TfiI识别位点TseI识别位点Tsp45I识别位点Tsp509I识别位点TspMI识别位点TspRI识别位点Tth111I识别位点XbaI识别位点XcmI识别位点XhoI识别位点XmaI识别位点XmnI识别位点ZraI识别位点。
常用限制性内切酶酶切位点汇总
常用限制性内切酶酶切位点汇总BmrI识别位点BmtI识别位点BpmI识别位点Bpu10I识别位点BpuEI识别位点BsaAI识别位点BsaBI识别位点BsaHI识别位点BsaI识别位点BsaJI识别位点BsaWI识别位点BsaXI识别位点BseRI识别位点BseYI识别位点BsgI识别位点BsiEI识别位点BsiHKAI识别位点BsiWI识别位点BslI识别位点BsmAI识别位点BsmBI识别位点BsmFI识别位点BsmI 识别位点BsoBI 识别位点Bsp1286I 识别位点BspCNI 识别位点BspDI 识别位点BspEI 识别位点BspHI 识别位点BspMI 识别位点BspQI 识别位点BsrBI 识别位点BsrDI 识别位点BsrFI 识别位点BsrGI 识别位点BsrI 识别位点BssHII 识别位点BssKI 识别位点BssSI 识别位点BstAPI 识别位点BstBI 识别位点BstEII 识别位点BstNI 识别位点BstUI 识别位点BstXI识别位点BstYI识别位点BstZ17I识别位点Bsu36I识别位点BtgI识别位点BtgZI识别位点BtsCI识别位点BtsI识别位点Cac8I识别位点ClaI识别位点CspCI识别位点CviAII识别位点CviKI-1识别位点CviQI识别位点DdeI识别位点DpnI识别位点DpnII识别位点DraI识别位点DraIII识别位点DrdI识别位点EaeI识别位点EaeI识别位点EagI识别位点EarI识别位点EciI识别位点EcoNI识别位点EcoO109I识别位点EcoP15I识别位点EcoRI识别位点EcoRV识别位点FatI识别位点FauI识别位点Fnu4HI识别位点FokI识别位点FseI识别位点FspI识别位点HaeII识别位点HaeIII HgaI识别位点HhaI识别位点HincII识别位点HindIII识别位点HinfI识别位点HinP1I识别位点HpaI识别位点HpaII识别位点HphI识别位点Hpy188I识别位点Hpy188III识别位点Hpy99I识别位点HpyAV识别位点HpyCH4III识别位点HpyCH4IV HpyCH4V识别位点KasI识别位点KpnI识别位点MboI识别位点MboII识别位点MfeI识别位点MluI识别位点MlyI识别位点MmeI识别位点MnlI识别位点MscI识别位点MseI识别位点MslI识别位点MspA1I识别位点MspI识别位点MwoI识别位点NaeI识别位点NarI识别位点NciI识别位点NcoI识别位点NdeI识别位点NgoMIV识别位点NheI识别位点NlaIII识别位点NlaIV识别位点NmeAIII识别位点NotI识别位点NruI识别位点NsiI识别位点NspI识别位点PacI识别位点PaeR7I识别位点PciI识别位点PflFI识别位点PflMI识别位点PhoI识别位点PleI识别位点PmeI识别位点PmlI识别位点PpuMI识别位点PshAI识别位点PsiI识别位点PspGI识别位点PspOMI识别位点PspXI识别位点PstI识别位点PvuI识别位点PvuII识别位点RsaI识别位点RsrII识别位点SacI识别位点SacII识别位点SalI识别位点SapI识别位点Sau3AI识别位点Sau96I识别位点SbfI识别位点ScaI识别位点ScrFI识别位点SexAI识别位点SfaNI识别位点SfcI识别位点SfiI识别位点SfoI识别位点SgrAI识别位点SmaI识别位点SmlI识别位点SnaBI识别位点SpeI识别位点SphI识别位点SspI识别位点StuI识别位点StyD4I识别位点StyI识别位点SwaI识别位点TaqαI识别位点TfiI识别位点TliI识别位点TseI识别位点Tsp45I识别位点Tsp509I识别位点TspMI识别位点TspRI识别位点Tth111I识别位点XbaI识别位点XcmI识别位点XhoI识别位点XmaI识别位点XmnI识别位点ZraI识别位点。
限制性内切酶酶切位点汇总
RsaI 识别位点 RsrII 识别位点 SacI 识别位点 SacII 识别位点 SalI 识别位点 SapI 识别位点 Sau3AI 识别位点 Sau96I 识别位点 SbfI 识别位点 ScaI 识别位点 ScrFI 识别位点 SexAI 识别位点 SfaNI 识别位点 SfcI 识别位点 SfiI 识别位点
AatII 识别位点 Acc65I 识别位点 AccI 识别位点 AciI 识别位点 AclI 识别位点 AcuI 识别位点 AfeI 识别位点 AflII 识别位点 AflIII 识别位点 AgeI 识别位点 AhdI 识别位点 AleI 识别位点 AluI 识别位点 AlwI 识别位点 AlwNI 识别位点
BstUI 识别位点 BstXI 识别位点 BstYI 识别位点 BstZ17I 识别位点 Bsu36I 识别位点 BtgI 识别位点 BtgZI 识别位点 BtsCI 识别位点 BtsI 识别位点 Cac8I 识别位点
ClaI 识别位点 CspCI 识别位点 CviAII 识别位点 CviKI-1 识别位点 CviQI 识别位点
ApaI 识别位点 ApaLI 识别位点 ApeKI 识别位点 ApoI 识别位点 AscI 识别位点 AseI 识别位点 AsiSI 识别位点 AvaI 识别位点 AvaII 识别位点 AvrII 识别位点 BaeI 识别位点 BamHI 识别位点 BanI 识别位点 BanII 识别位点
BbsI 识别位点 BbvCI 识别位点 BbvI 识别位点 BccI 识别位点 BceAI 识别位点 BcgI 识别位点 BciVI 识别位点 BclI 识别位点 BfaI 识别位点 BfuAI 识别位点 BglI 识别位点 BglII 识别位点 BlpI 识别位点 Bme1580I 识别位点 BmgBI 识别位点
限制性核酸内切酶详细资料大全
限制性核酸内切酶详细资料大全限制性核酸内切酶是可以识别并附着特定的脱氧核苷酸序列，并对在每条链中特定部位的两个脱氧核糖核苷酸之间的磷酸二酯键进行切割的一类酶，简称限制酶。
根据限制酶的结构，辅因子的需求切位与作用方式，可将限制酶分为三种类型，分别是第一型（Type I）、第二型（Type II）及第三型（Type III）。
Ⅰ型限制性内切酶既能催化宿主DNA的甲基化，又催化非甲基化的DNA的水解；而Ⅱ型限制性内切酶只催化非甲基化的DNA的水解。
III型限制性内切酶同时具有修饰及认知切割的作用。
基本介绍•中文名：限制性核酸内切酶•外文名：Restriction endonuclease•作用：切割DNA•别名：限制酶限制性内切酶定义,由来,分布区域,分类性质,用途,命名,类型,第一型限制酶,第二型限制酶,第三型限制酶,生理意义,定义是识别特定的核苷酸序列，并在每条链中特定部位的两个核苷酸之间的磷酸二酯键进行切割的一类酶。
由来一般是以微生物属名的第一个字母和种名的前两个字母组成，第四个字母表示菌株（品系）。
例如，从Bacillus amylolique faciens H 中提取的限制性内切酶称为Bam H，在同一品系细菌中得到的识别不同碱基顺序的几种不同特异性的酶，可以编成不同的号，如HindⅡ、HindⅢ，HpaI、HpaⅡ，MboI、MboⅡ等。
限制性核酸内切酶别名：Endodeoxyribonuclease简称限制酶酶反应限制性内切酶能分裂DNA分子在一限定数目的专一部位上。
它能识别外源DNA并将其降解。
单位定义：在指明pH与37℃，在0.05mL反应混合物中，1小时消化1μg的λDNA的酶量为1单位。
性状制品不含非专一的核酸水解酶（由10单位内切酶与1μg λDNA，保温16小时所得的凝胶电泳图谱的稳定性表示），这类酶主要是从原核生物中分离出来的，迄今已经从近300多种不同的微生物中分离出约4000种限制酶。
常用限制性内切酶酶切位点汇总
Acc65I 识别位点ApaI 识别位点AccI 识别位点ApaLI 识别位点AciI 识别位点ApeKI 识别位点AclI 识别位点ApoI 识别位点AcuI 识别位点AscI 识别位点AfeI 识别位点AseI 识别位点AflII 识别位点AsiSI 识别位点AflIII 识别位点AvaI 识别位点AgeI 识别位点AvaII 识别位点AhdI 识别位点AvrII 识别位点AleI 识别位点AluI 识别位点BaeI 识别位点BamHI 识别位点AlwI 识别位点BanI 识别位点Bme1580I 识别位点BbsI 识别位点BmgBI识别位点BbvCI 识别位点BmrI 识别位点BbvI 识别位点BmtI 识别位点BccI 识别位点BpmI 识别位点BceAI 识别位点Bpu10I 识别位点BcgI 识别位点BpuEI 识别位点BciVI 识别位点BsaAI 识别位点BclI 识别位点BsaBI 识别位点BfaI 识别位点BsaHI 识别位点BfuAI 识别位点BsaI 识别位点BglI 识别位点BsaJI 识别位点BglII 识别位点BseRI 识别位点BspDI 识别位点BseYI 识别位点BspEI 识别位点BsgI 识别位点BspHI 识别位点BsiEI 识别位点BspMI 识别位点BsiHKAI 识别位点BspQI 识别位点BsiWI 识别位点BsrBI 识别位点BslI 识别位点BsrDI 识别位点BsmAI识别位点BsrFI 识别位点BsmBI 识别位点BsrGI 识别位点BsmFI 识别位点BsrI 识别位点BsmI 识别位点BssHII 识别位点BsoBI 识别位点BssKI 识别位点BstAPI 识别位点ClaI 识别位点BstBI 识别位点CspCI 识别位点BstEII 识别位点CviAII 识别位点BstNI 识别位点CviKI-1 识别位点BstUI 识别位点CviQI 识别位点BstXI 识别位点DdeI 识别位点BstYI 识别位点DpnI 识别位点BstZ17I 识别位点DpnII 识别位点Bsu36I 识别位点DraI 识别位点BtgI 识别位点DraIII 识别位点BtgZI 识别位点DrdI 识别位点BtsCI 识别位点HaeIIIHgaI 识别位点HhaI 识别位点HincII 识别位点HindIII 识别位点HinfI 识别位点HinP1I 识别位点HpaI 识别位点HpaII 识别位点HphI 识别位点Hpy188I 识别位点Hpy188III 识别位点EarI 识别位点EciI 识别位点EcoNI 识别位点EcoO109I 识别位点EcoP15I 识别位点EcoRI 识别位点EcoRV识别位点FatI 识别位点FauI 识别位点Fnu4HI 识别位点FokI 识别位点FseI 识别位点HpyCH4III 识别位点HpyCH4IV HpyCH4V识别位点KasI 识别位点KpnI 识别位点MboI 识别位点MboII 识别位点MfeI 识别位点MluI 识别位点MlyI 识别位点MmeI识别位点MslI 识别位点MspA1I 识别位点MspI 识别位点MwoI 识别位点NaeI 识别位点NarI 识别位点NciI 识别位点NcoI 识别位点NdeI 识别位点NgoMIV识别位点NheI 识别位点PmlI 识别位点NmeAIII 识别位点PpuMI 识别位点NotI 识别位点PshAI 识别位点NruI 识别位点PsiI 识别位点NsiI 识别位点PspGI 识别位点NspI 识别位点PspOMI识别位点PacI 识别位点PspXI 识别位点PaeR7I 识别位点PstI 识别位点PciI 识别位点PvuI 识别位点PflFI 识别位点PvuII 识别位点PflMI 识别位点RsaI 识别位点PhoI 识别位点RsrII 识别位点SmaI 识别位点SalI 识别位点SmlI 识别位点SapI 识别位点SnaBI 识别位点Sau3AI 识别位点SpeI 识别位点Sau96I 识别位点SphI 识别位点SbfI 识别位点SspI 识别位点ScaI 识别位点StuI 识别位点ScrFI 识别位点StyD4I 识别位点SexAI 识别位点StyI 识别位点SfaNI 识别位点SwaI 识别位点SfcI 识别位点Taq aI识别位点SfiI 识别位点TfiI 识别位点Tsp45I 识别位点Tsp509I 识别位点TspMI 识别位点TspRI 识别位点Tth111I 识别位点XbaI 识别位点XcmI 识别位点XhoI 识别位点XmaI 识别位点XmnI 识别位点ZraI 识别位点。
常用限制性内切酶酶切位点汇总
Acc65I识别位点AccI识别位点AciI识别位点AclI识别位点AcuI识别位点AfeI识别位点AflII识别位点AflIII识别位点AgeI识别位点AhdI识别位点AluI识别位点AlwI识别位点AlwNI识别位点ApaI识别位点ApaLI识别位点ApeKI识别位点ApoI识别位点AscI识别位点AseI识别位点AsiSI识别位点AvaII识别位点AvrII识别位点BaeI识别位点BamHI识别位点BanI识别位点BanII识别位点BbsI识别位点BbvCI识别位点BbvI识别位点BccI识别位点BcgI识别位点BciVI识别位点BclI识别位点BfaI识别位点BfuAI识别位点BglI识别位点BglII识别位点BlpI识别位点Bme1580I识别位点BmgBI识别位点BmtI识别位点BpmI识别位点Bpu10I识别位点BpuEI识别位点BsaAI识别位点BsaBI识别位点BsaHI识别位点BsaI识别位点BsaJI识别位点BsaWI识别位点BseRI识别位点BseYI识别位点BsgI识别位点BsiEI识别位点BsiHKAI识别位点BsiWI识别位点BslI识别位点BsmAI识别位点BsmBI识别位点BsmFI识别位点。
BsmI识别位点BsoBI识别位点Bsp1286I识别位点BspCNI识别位点BspDI识别位点BspEI识别位点BspHI识别位点BspMI识别位点BspQI识别位点BsrBI识别位点BsrDI识别位点BsrFI识别位点BsrGI识别位点BsrI识别位点BssHII识别位点BssKI识别位点BssSI识别位点BstAPI识别位点BstBI识别位点BstEII识别位点BstNI识别位点BstUI识别位点。
BstXI识别位点BstYI识别位点BstZ17I识别位点Bsu36I识别位点BtgI识别位点BtgZI识别位点BtsCI识别位点BtsI识别位点Cac8I识别位点ClaI识别位点CspCI识别位点CviAII识别位点CviKI-1识别位点CviQI识别位点DdeI识别位点DpnI识别位点DpnII识别位点DraI识别位点DraIII识别位点DrdI识别位点EaeI识别位点EaeI识别位点。
限制性内切酶酶切位点汇总（不收费）
限制性内切酶酶切位点汇总（不收费）Acc65I识别位点AccI识别位点AciI识别位点AclI识别位点AcuI识别位点AfeI识别位点AflII识别位点AflIII识别位点AgeI识别位点AhdI识别位点AleI识别位点AluI识别位点AlwI识别位点AlwNI识别位点ApeKI识别位点ApoI识别位点AscI识别位点AseI识别位点AsiSI识别位点AvaI识别位点AvaII识别位点AvrII识别位点BaeI识别位点BamHI识别位点BanI识别位点BanII识别位点BceAI识别位点BcgI识别位点BciVI识别位点BclI识别位点BfaI识别位点BfuAI识别位点BglI识别位点BglII识别位点BlpI识别位点Bme1580I识别位点BmgBI识别位点BmrI识别位点BmtI识别位点BpuEI识别位点BsaAI识别位点BsaBI识别位点BsaHI识别位点BsaI识别位点BsaJI识别位点BsaWI识别位点BsaXI识别位点BseRI识别位点BseYI识别位点BsiEI识别位点BsiHKAI识别位点BsiWI识别位点BsmBI识别位点BsmFI识别位点BsmI识别位点BsoBI识别位点Bsp1286I识别位点BspCNI识别位点BspDI识别位点BspEI识别位点BspHI识别位点BspMI识别位点BspQI识别位点BsrBI识别位点BsrDI识别位点BsrFI识别位点BssKI识别位点BssSI识别位点BstAPI识别位点BstBI识别位点BstEII识别位点BstNI识别位点BstXI识别位点BstYI识别位点BstZ17I识别位点Bsu36I识别位点BtgI识别位点BtgZI识别位点ClaI识别位点CspCI识别位点CviAII识别位点CviKI-1识别位点CviQI识别位点DdeI识别位点DpnI识别位点DpnII识别位点DraI识别位点DraIII识别位点DrdI识别位点EaeI识别位点EagI识别位点EarI识别位点EciI识别位点EcoNI识别位点EcoO109I识别位点EcoP15I识别位点EcoRI识别位点EcoRV识别位点FatI识别位点FauI识别位点Fnu4HI识别位点FokI识别位点FseI识别位点FspI识别位点HaeIIIHgaI识别位点HhaI识别位点HincII识别位点HindIII识别位点HinfI识别位点HinP1I识别位点HpaI识别位点HpaII识别位点HphI识别位点Hpy188I识别位点Hpy188III识别位点Hpy99I识别位点HpyAV识别位点HpyCH4III识别位点KasI识别位点KpnI识别位点MboI识别位点MboII识别位点MfeI识别位点MluI识别位点MlyI识别位点MmeI识别位点MnlI识别位点MscI识别位点MseI识别位点MslI识别位点MspA1I识别位点MspI识别位点MwoI识别位点NarI识别位点NciI识别位点NdeI识别位点NgoMIV识别位点NheI识别位点NlaIII识别位点NlaIV识别位点NmeAIII识别位点NotI识别位点NruI识别位点NsiI识别位点NspI识别位点PacI识别位点PaeR7I识别位点PciI识别位点PflFI识别位点PflMI识别位点PhoI识别位点PleI识别位点PmeI识别位点PmlI识别位点PpuMI识别位点PshAI识别位点PsiI识别位点PspGI识别位点PspOMI识别位点PspXI识别位点PstI识别位点PvuI识别位点RsrII识别位点SacI识别位点SacII识别位点SalI识别位点SapI识别位点Sau3AI识别位点Sau96I识别位点SbfI识别位点ScaI识别位点ScrFI识别位点SexAI识别位点SfaNI识别位点SfcI识别位点SfiI识别位点SmaI识别位点SmlI识别位点SnaBI识别位点SpeI识别位点SphI识别位点SspI识别位点StuI识别位点StyD4I识别位点StyI识别位点SwaI识别位点TaqαI识别位点TfiI识别位点TseI识别位点TspMI识别位点TspRI识别位点Tth111I识别位点XbaI识别位点XcmI识别位点XhoI识别位点XmaI识别位点XmnI识别位点ZraI识别位点与⼤家共享（⾮原创）。
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限制性内切酶
产品编号制品名限制性酶切位点酶浓度(U/μl)Buffer 反应温度
ZM001 Aat II 4-12 T+BSA 37 ZM002 Acc I 4-12 M 37 ZM003 AccII ( Fnu D II) 4-12 M 37
ZM004 Acc III ( Bsp M
II)
1-5 Basal 60
ZM005 AfaI ( Rsa I) 4-12 T+BSA 37 ZM006 Afl II 4-12 M+BSA 37 ZM007 Alu I 4-12 L 37
ZM008 Aor13HI (BspM
II, Acc III)
4-12 K+BSA 55
ZM009 Aor51H I (Eco47
III)
4-12 M 37
ZM010 Apa I 8-20 L 37 ZM011 ApaL I 4-12 L 37 ZM012 Ava I 4-12 M 37 ZM013 Ava II 4-12 M 37
ZM014 Avi II(Mst I, Fsp
I)
4-12 H 37
ZM015 Bal I 1-5 Basal 37 ZM016 BamH I 8-20 K 30
ZM017 Ban II ( Hgi J II) 4-12 H 37 ZM018 Bbe I ( Nar I) 2-12 Basal 37 ZM019 Bcn I ( Cau II) 4-12 Basal+BSA 37 ZM020 Bgl I 4-12 Basal 37 ZM021 Bgl II 4-12 H 37 ZM022 Bln I ( Avr II) 4-12 K 37
ZM023 Bpu1102 I
(Esp I)
2-12 Basal+BSA 37
ZM024 Bsp1286 I
(Sdu I)
4-12 L 30
ZM025 Bsp1407 I 4-12 T+BSA 37
ZM026 BspT104 I (Asu
II, Nsp V)
4-12 L 37
ZM027 BspT107 I
(Hgi C I)
4-12 K 37
ZM028 BssH II ( Bse P I) 4-12 M 50 ZM029 Bst1107 I (Sna I) 4-12 K 37
ZM030 BstP I (BstE II,
EcoO65 I)
4-12 H 60
ZM031 BstX I 4-12 H 45 ZM032 Cfr10 I 4-12 Basal 37 ZM033 Cfr13 I (Asu I) 4-12 K 37 ZM034 Cla I 4-12 M 30
ZM035 Cpo I ( Rsr II) 4-12 K 30 ZM036 Dra I ( Aha III) 8-20 M 37 ZM037 Eae I ( Cfr I) 4-12 M 37 ZM038 Eam1105 I 2-10 Basal 37
ZM039
Eco52 I
( Xma III)
4-12 Basal 37
ZM040 Eco81 I ( Sau I) 4-12 M 37
ZM041 EcoO109 I (Dra
II)
8-20 L 37
ZM042 EcoO65 I (BstE
II, BstP I)
4-12 H+BSA 37
ZM043 EcoR I 8-20 H 37 ZM044 EcoR V 8-20 H 37 ZM045 EcoT14 I (Sty I) 8-20 H 37
ZM046 EcoT22 I
( Ava III)
4-12 H 37
ZM047 Fba I ( Bcl I) 4-12 K 37 ZM048 Fok I 4-12 M+BSA 37 ZM049 Fse I 2-10 M 30 ZM050 Hae II 4-12 M 37 ZM051 Hae III 4-12 M 37
ZM052 Hap II (Hpa II,
Msp I)
4-12 L 37
ZM053 Hha I 4-12 M 37
ZM054 Hin1 I (Acy I,
Bbi II)
4-12 M 37
ZM055 Hinc II ( Hin d II) 4-12 M 37 ZM056 Hind III 2-10 M 37 ZM057 Hinf I 4-12 H 37 ZM058 Hpa I 2-10 K 37 ZM059 Kpn I 4-12 L 37
ZM060 Mbo I ( Sau 3A
I)
4-12 K 37
ZM061 Mbo II 4-12 L 37 ZM062 Mfl I ( Xho II) 4-12 L 37 ZM063 Mlu I 4-12 H 37
ZM064 Msp I (Hpa II,
Hap II)
8-20 T+BSA 37
ZM065 Mun I ( Mfe I) 4-12 M+BSA 37 ZM066 Mva I ( Eco R II) 4-12 K 37 ZM067 Nae I 4-12 L 37 ZM068 Nco I 4-12 K+BSA 37 ZM069 Nde I 4-12 H 37
ZM070 Nhe I 4-12 M 37
ZM071 Not I 4-12 H+BSA+ Triton
X-100
37
ZM072 Nru I 4-12 Basal 37 ZM073 PmaC I 4-12 L 37 ZM074 PshA I 4-12 K 37 ZM075 PshB I ( Vsp I) 4-12 Basal 37 ZM076 Psp1406 I (Acl I) 4-12 T+BSA 37 ZM077 Pst I 8-20 H 37 ZM078 Pvu I 4-20 K+BSA 37 ZM079 Pvu II 8-20 M 37 ZM080 Sac I 4-12 L 37 ZM081 Sac II 4-12 T+BSA 37 ZM082 Sal I 8-20 H 37 ZM083 Sau 3A I ( Mbo I) 4-12 H 37 ZM084 Sca I 4-12 H 37 ZM085 Sfi I 4-12 M 50 ZM086 Sma I 4-12 T+BSA 30 ZM087 SnaB I 4-12 Basal 37 ZM088 Spe I 4-12 M 37 ZM089 Sph I 4-12 H 37
ZM090 Sse8387 I 4-12 M+BSA 37 ZM091 Ssp I 4-12 Basal 37 ZM092 Stu I 4-12 M 37
ZM093 Taq I ( Tth HB8
I)
4-12 M 37
ZM094 Tth111 I 4-12 K 65
ZM095 Van91 I ( Pfl M
I)
4-12 K 37
ZM096 VpaK11B I
(Ava II)
4-12 Basal 30
ZM097 Xba I 8-20 M+BSA 37 ZM098 Xho I 4-12 H 37
ZM099 Xsp I (Bfa I,
Mae I)
4-12 K 37。