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高保真地高辛标记PCR试剂盒

高保真地高辛标记PCR试剂盒，HighFidelity Digoxigenin PCR Labeling Kit，旨在通过PCR技术制备随机地高辛修饰的DNA探针，非常适用于原位杂交和Northern印迹实验。更多视频请关注视频号【艾维缔】。哔哩哔哩【IVDSHOW】。抖音【军哥聊表观】。

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高保真地高辛标记PCR试剂盒

所属分类

表观酶活检测

目录号

APP101DIGX

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For general laboratory use.

Shipping: shipped on gel packs

Storage Conditions: store at -20 °C
avoid freeze/thaw cycles

Shelf Life: 12 months

Description:
HighFidelity Digoxigenin PCR Labeling Kit is designed to produce randomly Digoxigenin-modified DNA probes by PCR. Such probes are ideally suited for in situ hybridization and Northern Blot experiments. PCR-based labeling is superior to random-primed labeling by Klenow fragment if template amounts are limited or amplification of a specific DNA fragments is required.

The labeling principle is similar to the underlying labeling principles of PCR DIG Labeling Mix (Roche) and PCR DIG Probe Synthesis Kit (Roche) with the exception that an alkali-stable version of DIG-11-dUTP is used (DIG label removal not feasible).

DIG-11-dUTP is efficiently incorporated into DNA as substitute for its natural counterpart dTTP using an optimized reaction buffer and a High Fidelity Polymerase. 35 % DIG-11-dUTP substitution typically results in an optimal balance between reaction and labeling efficiency. Individual optimization of DIG-11-dUTP/dTTP ratio however, can easily be achieved with the single nucleotide format. The resulting Digoxigenin-modified DNA probe can subsequently be detected by HRP- or AP-modified Digoxigenin antibody.

The kit contains sufficient reagents for 35 labeling reactions (S-Pack) or 175 labeling reactions (L-Pack) of 20 μl each (35 % DIG-11-dUTP substitution, 100 μM dATP/dGTP/dCTP, 65 μM dTTP, 35 μM DIG-11-dUTP).

Content:
High Fidelity Polymerase
in storage buffer with 50% glycerol (v/v)
#APP-101-DIGX-S: 1x 40 μl (100 units, 2.5 units/μl)
#APP-101-DIGX-L: 5x 40 μl (5x 100 units, 2.5 units/μl)

High Fidelity Labeling Buffer
1x 500 μl (10x)

dATP - Solution
1x 20 μl (100 mM)

dGTP - Solution
1x 20 μl (100 mM)

dCTP - Solution
1x 20 μl (100 mM)

dTTP - Solution
1x 20 μl (100 mM)

DIG-11-dUTP
#APP-101-DIGX-S: 1x 25 μl (1 mM)
#APP-101-DIGX-L: 5x 25 μl (1 mM)

Lambda DNA
1x 20 μl (100 ng/μl)

500 bp forward primer
1x 20 μl (10 μM)

500 bp reverse primer
1x 20 μl (10 μM)

PCR-grade water
1x 1.2 ml

To be provided by user
DNA template
Primer
DNA purification tools (optional)

1. Preparation of working solutions

1.1 Preparation of 1 mM dATP/dCTP/dGTP working solution

Thaw 100 mM dATP, 100 mM dCTP and 100 mM dGTP solutions on ice, voretex and spin-down briefly.
Prepare a 1:100 dilution with PCR-grade water to achieve a final concentration of 1 mM (e.g. 2 μl 100 mM dATP + 2 μl 100 mM dCTP + 2 μl 100 mM dGTP + 194 μl PCR-grade water).
1 mM ATP/CTP/GTP working solution can be stored at -20°C. Prepare aliquots to avoid freeze/thaw cycles.

1.2 Preparation of 1 mM dTTP working solution

Thaw 100 mM dTTP solution on ice, voretex and spin-down briefly.
Prepare a 1:100 dilution with PCR-grade water to achieve a final concentration of 1 mM (e.g. 2 μl 100 mM dTTP + 198 μl PCR-grade water).
1 mM dTTP working solution can be stored at -20 °C. Prepare aliquots to avoid freeze/thaw cycles.

3. Standard PCR Labeling protocol

The standard protocol is set-up for labeling of a 500 bp DNA fragment. An optimal balance between reaction and labeling efficiency is typically achieved with 35% DIG-11-dUTP substitution following the standard protocol below however, individual optimization might improve results for individual applications.

Assemble the PCR on ice in the order stated below (DNAse-free reaction tube).
Voretex and spin-down briefly.

Component	Volume	Final concenctration
PCR-grade water	X μl
High Fidelity Buffer (10x)	2 μl	1x
1 mM dATP/dCTP/ dGTP working solution (s. 1.1)	2 μl	100 μM
1 mM dTTP working solution (s. 1.2)	1.3 μl	65 μM
1 mM DIG-11-dUTP	0.7 μl	35 μM
forward primer (10 μM)	X μl	0.1 - 1 μM (e.g. 0.3 μM 500 bp forward primer)
reverse primer (10 μM)	X μl	0.1 - 1 μM (e.g. 0.3 μM 500 bp reverse primer)
template DNA	X μl	1 - 10 ng genomic DNA (e.g. 1 ng Lambda DNA)
High Fidelity Pol (2.5 units/μl)	1 μl	2.5 units
Total volume	20 μl

Recommended cycling conditions

Cycle step	Temperature	Time	Cycles
Initial denaturation	95°C	2 min	1x
Denaturation Annealing¹⁾ Elongation²⁾	95°C 58°C 68°C	20 sec 30 sec 60 sec	30x
Final Elongation	68°C	2 min	1x

¹⁾The annealing temperature depends on the melting temperature of primers used.
²⁾The elongation time depends on the length of fragments to be amplified. A time of 2 min/kbp is recommended. Elongation at 72°C works as well.

For optimal amplification results and high incorporation rates an individual optimization of the recommended PCR assay and cycling conditions may be necessary for each new primer-template pair.
4. Probe purification:

Probe purification is not required for most hybridization experiments. If a downstream application requires purification (e.g. concentration determination by absorbance measurement) we recommend silica-membrane or gel filtration-based purification.

产品组分

内容	型号	规格	储存温度
高保真地高辛标记PCR试剂盒	APP101DIGX-01	35次x20ul	-20°C
高保真地高辛标记PCR试剂盒	APP101DIGX-02	175次x20ul	-20°C
操作手册	1	1	常温

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保存建议厂家推荐蓝冰运输。当您收到产品后，按照说明书建议保存于-20°C。
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