Pierce™ F(ab')2 微型制备试剂盒
Pierce™ F(ab')2 微型制备试剂盒
Thermo Scientific™

Pierce™ F(ab')2 微型制备试剂盒

The Thermo Scientific Pierce F(ab')2 Micro Preparation Kit uses immobilized pepsin protease to selectively digest whole human and other IgG了解更多信息
Have Questions?
货号数量
4468810份抗体样品,每份含 25 至 250µg IgG
货号 44688
价格(CNY)
7,280.00
Each
添加至购物车
数量:
10份抗体样品,每份含 25 至 250µg IgG
请求批量或定制报价
价格(CNY)
7,280.00
Each
添加至购物车
The Thermo Scientific Pierce F(ab')2 Micro Preparation Kit uses immobilized pepsin protease to selectively digest whole human and other IgG antibodies to make F(ab')2 fragments that retain antigen binding activity.

Features of the F(ab')2 Micro Preparation Kit:

Ideal when sample size is limited—Use the micro kit for 25 to 250 μg IgG.
Enzyme-free digestion products—Immobilized Pepsin (beaded agarose resin) provides for control of the digestion reaction and complete removal of resulting antibody fragments from the proteolytic enzyme
Suitable for human and other species of IgG—the kit procedure is optimized for human, rabbit and mouse IgG. Pepsin-based digestion is effective for other species and subclasses of IgG, although the purification step requires that the antibody effectively binds to Protein A. (Note: for best results with mouse IgG1, use Part No. 44980.)
Complete—kits include all reagents needed to prepare and purify antibody fragments
Fast—spin format greatly reduces sample processing time
Flexible—protocols are included for multiple species and IgG subclasses, as well as sample size and concentration.
Efficient—enhanced yield and sample purity

These F(ab')2 Preparation Kits are suitable for human, rabbit, mouse and other species and subclasses of IgG except mouse IgG1. The antibody digestion reaction with pepsin agarose is performed in convenient disposable spin columns that allow efficient removal of the immobilized protease and maximum recovery of the IgG fragments. Also included in the kits are Thermo Scientific NAb Protein A Spin Columns and buffers to efficiently purify the resulting fragments. Protein A binds the Fc fragments and undigested IgG, allowing the pure F(ab')2 fragments to be recovered in the flow-through fraction. The kits also include Thermo Scientific Zeba Desalting Spin Columns for preparing the IgG sample quickly without dilution instead of utilizing time-consuming dialysis steps.

The kits use pepsin, a nonspecific endopeptidase, to enzymatically digest the Fc portion of whole IgG to yield the fragment known as F(ab')2. This fragment is composed of a pair of Fab' units connected by two disulfide bonds. Because the pepsin protease is supplied in immobilized form as beaded agarose resin, the digestion reaction is easily stopped by removing the resin from the IgG solution; the result is digest products that are enzyme-free.

Related Products
Pierce™ F(ab')2 Preparation Kit
Pierce™ Fab Micro Preparation Kit
Pierce™ Mouse IgG1 Fab and F(ab')2 Micro Preparation Kit
仅供科研使用。不可用于诊断程序。
规格
描述Pierce F(ab')2 微型制备试剂盒
数量10份抗体样品,每份含 25 至 250µg IgG
靶标基因ERK5/BMK1 (pan)
产品线Pierce™
Unit SizeEach
内容与储存
足够用于:10 份抗体样品,每份含 25 至 250 µg IgG
• Pierce 胃蛋白酶琼脂糖,0.5 mL
•,F(ab')2 酶切缓冲液,55 mL
• NAb 蛋白 A Plus 离心柱,0.2 mL,2 根柱
• PBS 包(每个可制备 500 mL),2 包
• IgG 洗脱缓冲液,50 mL
• Zeba 脱盐离心柱,7K MWCO,0.5 mL,10 根柱
• 离心柱,0.8 mL,10 根柱
• 微量离心管,2 mL,30 个管

储存在 4°C 下

常见问题解答 (FAQ)

Can I reuse the immobilized digestion enzymes in the Thermo Scientific IgG Fragmentation kit?

No. For best results, use the immobilized enzyme once and discard after use.

Find additional tips, troubleshooting help, and resources within our Protein Assays and Analysis Support Center.

How long does IgG digestion take using the Thermo Scientific IgG Fragmentation kit?

The digestion time is a function of the IgG concentration and source. For rabbit, mouse and human IgG, optimized digestion times are given in the instructions for each kit. Digestion times listed in the product instructions result in 80-90% digestion, although efficiency varies depending on IgG preparation and source.

Find additional tips, troubleshooting help, and resources within our Protein Assays and Analysis Support Center.

In the Thermo Scientific IgG Fragmentation kit, when digesting an IgG that does not bind to Protein A, how do I purify the Fab and F(abÁ)2 fragments?

If the IgG is a species or subclass that does not bind to Protein A, researchers can immobilize an antibody specific for the desired fragment. For example, to purify digested rat IgG2a, use the Aminolink Plus Immobilization Kit (Cat. No. 44894) to immobilize goat anti-rat Fc antibody. Our Tech Tip #34 and other web resources list IgG binding properties of Protein A. (Because Protein G and Protein A/G bind Fab fragments, they are not effective for this application.)

Find additional tips, troubleshooting help, and resources within our Protein Assays and Analysis Support Center.

Can I purchase the immobilized enzymes (proteases) from the Thermo Scientific IgG Fragmentation kit separately?

Yes. The three immobilized enzymes are available in 5 mL package sizes as shown below:

• Immobilized Ficin, Cat. No. 44881
• Immobilized Papain, Cat. No. 20341
• Immobilized Pepsin, Cat. No. 20343

Find additional tips, troubleshooting help, and resources within our Protein Assays and Analysis Support Center.

How many Thermo Scientific IgG Fragmentation kits are available and which enzymes are included?

There are six Thermo Scientific IgG fragmentation kits:

• Fab Preparation Kit (Papain), Cat. No. 44985
• Fab Micro Preparation Kit (Papain), Cat. No. 44685
• F(abÁ)2 Preparation Kit (Pepsin), Cat. No. 44988
• F(abÁ)2 Micro Preparation Kit, (Pepsin), Cat. No. 44688
• Mouse IgG1 Fab and F(abÁ)2 Preparation Kit (Ficin), Cat. No. 44980
• Mouse IgG1 Fab and F(abÁ)2 Micro Preparation Kit (Ficin), Cat. No. 44680

Find additional tips, troubleshooting help, and resources within our Protein Assays and Analysis Support Center.