连接计算器

此工具确定了在适用于典型连接反应的范围内的各种插入片段:载体摩尔比率所需的插入片段质量。

icon_0330_cc_gen_calculator-s计算靶标输入您感兴趣的靶标的数据并接收测序计算结果
见解

 

所需的 DNA 插入片段质量 [g] = 载体 DNA 质量 [g] x {DNA 插入片段长度 / 载体 DNA 长度} x 期望的插入片段与载体摩尔比率

提示:期望的比率为集合 {1, 2, 3, 5 ,7} 中的一个

插入片段长度应小于载体长度

阅读更多

首先,使用限制性内切酶消化插入片段和载体 DNA,以产生具有黏端或平端的 DNA 片段。接下来,提取期望的 DNA 片段,随后连接,然后用 DNA 连接酶进行处理。最后,将得到的完整载体转化到感受态 E. coli 细胞中,并通过合适的遗传选择方法鉴定转化体。 

 

想了解更多关于 DNA 连接的分步过程及其典型反应吗?了解更多

了解可用于连接 DNA 的酶产品

 

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了解为各种分子生物学应用设计的高品质产品。

推荐产品

AllTaq PCR Core Kit (250 U)
CAT NO./ID 203123
AllTaq PCR Core Kit (250 U)
50 µl AllTaq Polymerase (5 U/µl), 1.2 ml AllTaq PCR Buffer (5x), 55 µl dNTP Mix (10 mM each), 200 µl Template Tracer (25x), 50 µl Master Mix Tracer (125x), 2 ml Q-Solution (5x), 1.2 ml MgCl2 (25 mM), 1.9 ml RNase-Free Water
US$219.00
Taq DNA Polymerase (250 U)
CAT NO./ID 201203
Taq DNA Polymerase (250 U)
250 units Taq DNA Polymerase, 10x PCR Buffer, 10x CoralLoad PCR Buffer, 5x Q-Solution, 25 mM MgCl2
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End-Repair Mix (low concentration)
CAT NO./ID Y9140-LC-L
End-Repair Mix (low concentration)
For 200 low-concentration DNA reactions. End-Repair Mix 1X (0.20 mL), 10X End-Repair Buffer (1 x 1.5 mL) and 1 mM dNTP solution (0.5 mL).
US$470.00
AdnaMag-L
CAT NO./ID 399921
AdnaMag-L
Magnetic rack for 8 tubes, 15 ml
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Pathogen Lysis Tubes L
CAT NO./ID 19092
Pathogen Lysis Tubes L
50 Pathogen Lysis Tubes with large beads, 1 vial of Reagent DX
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QIAseq 96-Index L (384)
CAT NO./ID 333777
QIAseq 96-Index L (384)
Box containing oligos for indexing up to 96 samples for QIAseq Targeted Panel sequencing on Ion Torrent platforms; enough to process a total of 384 samples
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QIAseq 12-Index L (48)
CAT NO./ID 333764
QIAseq 12-Index L (48)
Box containing oligos for indexing up to 12 samples for QIAseq Targeted Panel sequencing on Ion Torrent platforms; enough to process a total of 48 samples
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QIAseq Targeted DNA Pro Index L (12)
CAT NO./ID 333491
QIAseq Targeted DNA Pro Index L (12)
Box containing oligos for indexing up to 12 samples for QIAseq Targeted DNA Pro Panel sequencing on Ion Torrent platforms
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Cooling Adapter, LC capillaries 32, Qsym
CAT NO./ID 9018093
Cooling Adapter, LC capillaries 32, Qsym
Adapter for holding up to 32 capillaries (20 µl) for the LightCycler; for use with the QIAsymphony AS (software version 3.1 or higher)
US$1,527.00
QIAseq Targeted RNA 96-Index HT l (384)
CAT NO./ID 333127
QIAseq Targeted RNA 96-Index HT l (384)
Kit containing sample indexes, enough for a total of 384 samples, for indexing up to 96 samples for targeted RNA sequencing on Illumina platforms (array format), and primers necessary for sequencing RNA libraries generated by the QIAseq targeted RNA panels on Illumina platforms
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artus Infl./H1 LC/RG RT-PCR Kit (24)
CAT NO./ID 4523003
artus Infl./H1 LC/RG RT-PCR Kit (24)
For 24 reactions: 2 Masters (Influenza and Influenza H1), Mg Solution, 2 Positive Controls (Influenza and Influenza H1), Internal Control, Water (PCR grade)
artus Infl./H1 LC/RG RT-PCR Kit (96)
CAT NO./ID 4523005
artus Infl./H1 LC/RG RT-PCR Kit (96)
For 96 reactions: 2 Masters (Influenza and Influenza H1), Mg Solution, 2 Positive Controls (Influenza and Influenza H1), Internal Control, Water (PCR grade)
T4 DNA Ligase (Rapid)
CAT NO./ID L6030-HC-L
T4 DNA Ligase (Rapid)
240,000 U of T4 DNA Ligase (600,000 U/mL) 2x Rapid Ligation Buffer and 10x T4 DNA Ligase Buffer
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AdnaMag-L
CAT NO./ID 399921
AdnaMag-L
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Pathogen Lysis Tubes L
CAT NO./ID 19092
Pathogen Lysis Tubes L
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QIAseq Multimodal HC Panel HT (12)
CAT NO./ID 334942
QIAseq Multimodal HC Panel HT (12)
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QIAseq 96-Index L (384)
CAT NO./ID 333777
QIAseq 96-Index L (384)
Box containing oligos for indexing up to 96 samples for QIAseq Targeted Panel sequencing on Ion Torrent platforms; enough to process a total of 384 samples
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QIAseq 12-Index L (48)
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QIAseq Targeted DNA Pro HC (12)
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QIAseq Targeted DNA Pro HC (12)
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QIAseq Targeted DNA HC Panel (12)
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QIAseq Targeted DNA HC Panel (12)
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QIAseq Targeted RNAscan HC Panel (12)
CAT NO./ID 333612
QIAseq Targeted RNAscan HC Panel (12)
Kit containing ALL reagents (except indexes) for targeted Fusion sequencing; fixed panel for 12 samples; more than 100 fusions
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QIAseq Targeted RNAscan HC Panel (96)
CAT NO./ID 333615
QIAseq Targeted RNAscan HC Panel (96)
Kit containing ALL reagents (except indexes) for targeted Fusion sequencing; fixed panel for 96 samples; more than 100 fusions
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T7 DNA Ligase (900,000 U)
CAT NO./ID L6020L
T7 DNA Ligase (900,000 U)
900,000 U of T7 DNA Ligase (3,000,000 U/mL) and 2x Rapid Ligation Buffer
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Klenow Fragment (2500 U)
CAT NO./ID P7060L
Klenow Fragment (2500 U)
2500 U of Klenow Fragment (0.5 mL at 5000 U/mL) and 10x Blue Buffer (1 x 1.5 mL)
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Taq-B DNA Polymerase (10,000 U)
CAT NO./ID P7250L
Taq-B DNA Polymerase (10,000 U)
10,000 U of Taq-B Polymerase (2 mL at 5000 U/mL) and 10x PCR Buffer. 
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TaqNova Polymerase UCP (1000 U)
CAT NO./ID RP1010
TaqNova Polymerase UCP (1000 U)
Ultra-Clean Production TaqNova DNA Polymerase. 5 U/µL concentration with reaction buffer of 10x TaqNova DNA-free Reaction Buffer, and 50 mM MgCl2Storage buffer: 20 mM Tris-HCl (pH 8.0 at 25°C); 100 mM KCl; 0.1 mM EDTA; 1 mM DTT; 0.5% (v/v) Nonident P40; 0.5% (v/v) Tween 20; 50% (v/v) glycerol Storage temperature: -20°C
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RNase A (17,500 U)
CAT NO./ID 19101
RNase A (17,500 U)
2.5 ml (100 mg/ml; 7000 units/ml, solution) Unit definition: That amount of enzyme causing the hydrolysis of RNA at a rate such that k (velocity constant) equals unity (Kunitz units) at 25°C and pH 5.0.
US$309.00
HotStarTaq DNA Polymerase (250 U)
CAT NO./ID 203203
HotStarTaq DNA Polymerase (250 U)
250 units HotStarTaq DNA Polymerase, 10x PCR Buffer, 5x Q-Solution, 25 mM MgCl2
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Omniscript RT Kit (50)
CAT NO./ID 205111
Omniscript RT Kit (50)
For 50 reverse-transcription reactions: 200 units Omniscript Reverse Transcriptase, 150 µl 10x Buffer RT, 100 µl dNTP Mix (contains 5 mM each dNTP), 1.1 ml RNase-free water
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RNase-Free DNase Set (50)
CAT NO./ID 79254
RNase-Free DNase Set (50)
1500 Kunitz units RNase-free DNase I, RNase-free Buffer RDD, and RNase-free water for 50 RNA minipreps
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QIAGEN Protease (7.5 AU)
CAT NO./ID 19155
QIAGEN Protease (7.5 AU)
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QIAGEN Proteinase K (2 ml)
CAT NO./ID 19131
QIAGEN Proteinase K (2 ml)
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