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Cas9 (S. aureus) (6H4) Mouse mAb (Alexa Fluor® 647 Conjugate)

Cas9 (S. aureus) (6H4) Mouse mAb (Alexa Fluor® 647 Conjugate) #30004

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  1. IF

Confocal immunofluorescent analysis of HCT 116 cells transiently transfected with a Myc-tagged Cas9 (S. aureus) construct using Cas9 (S. aureus) (6H4) Mouse mAb (Alexa Fluor® 647 Conjugate) (red) and Myc-Tag (71D10) Rabbit mAb (Alexa Fluor® 488 Conjugate) #40760 (green). サンプルは、ProLong® Gold Antifade Reagent with DAPI #8961 (青) で封入しています。

To Purchase # 30004S
製品番号 サイズ 価格 在庫
100 µl  (50 tests)

Supporting Data

SENSITIVITY Transfected Only
MW (kDa)
Source/Isotype Mouse IgG2b

Application Key:

  • W-Western
  • IP-Immunoprecipitation
  • IHC-Immunohistochemistry
  • ChIP-Chromatin Immunoprecipitation
  • IF-Immunofluorescence
  • F-Flow Cytometry
  • E-P-ELISA-Peptide

Species Cross-Reactivity Key:

  • H-Human
  • M-Mouse
  • R-Rat
  • Hm-Hamster
  • Mk-Monkey
  • Mi-Mink
  • C-Chicken
  • Dm-D. melanogaster
  • X-Xenopus
  • Z-Zebrafish
  • B-Bovine
  • Dg-Dog
  • Pg-Pig
  • Sc-S. cerevisiae
  • Ce-C. elegans
  • Hr-Horse
  • All-All Species Expected

Product Description

This Cell Signaling Technology antibody is conjugated to Alexa Fluor® 647 fluorescent dye and tested in-house for direct immunofluorescent analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated Cas9 (S. aureus) (6H4) Mouse mAb #48989.


アプリケーション 希釈率
免疫蛍光染色 (免疫細胞染色) 1:50


Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. 4℃で保存してください。Do not aliquot the antibody. Protect from light. Do not freeze.



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免疫蛍光染色 (免疫細胞染色)

A. 溶液および試薬

注意​:溶液は、RODI (逆浸透膜濾過脱イオン) 水もしくは同等の精製水で調製してください。

  1. 20X Phosphate Buffered Saline (PBS):(#9808) 1X PBS 1 Lを用意する場合は、20X PBS 50 mLを精製水 (dH2O) 950 mLに加え、混ぜ合わせてください。pHを8.0に調整してください。
  2. ホルムアルデヒド:16%、メタノール不含、Polysciences, Inc. (cat# 18814)、新しいものを使用し、開封した瓶は暗所で4℃で保存してください。使用する際は1X PBSで希釈してください。
  3. ブロッキングバッファー​ (1X PBS/5% Normal Goat Serum (#5425)/0.3% Triton™ X-100):10 mLを用意する場合は、正常ヤギ血清0.5 mLと20X PBS 0.5 mLを精製水 (dH2O) 9.0 mLに加えて混ぜ合わせてください。スターラーで撹拌しながら、Triton™ X-100 30 µLを加えてください。
  4. 抗体希釈バッファー:(1X PBS/1% BSA/0.3% Triton™ X-100):10 mLを用意する場合は、Triton™ X-100 30 μLを1X PBS 10 mLに加えてください。混ぜ合わせた後、さらにBSA (#9998) 0.1 gを加えてよく混ぜ合わせてください。
  5. Prolong® Gold AntiFade Reagent (#9071)、Prolong® Gold AntiFade Reagent with DAPI (#8961)

B. 試料作製 - 培養細胞株 (IF-IC)


  1. 溶液を吸引除去し、細胞が2 - 3 mm浸る程の4%ホルムアルデヒド (1X PBSで希釈) を加えてください。


  2. 細胞を室温で15分間固定してください。
  3. 固定液を吸引除去し、1X PBSで各5分間、3回すすいでください。
  4. 免疫染色操作に進んでください (セクションC)。

C. 免疫染色


  1. ブロッキングバッファーでサンプルを60分間ブロッキングしてください。
  2. ブロッキングしている間に、データシートの記載に従って一次抗体を抗体希釈バッファーで希釈してください。
  3. ブロッキング液を吸引除去し、希釈した一次抗体を加えてください。
  4. 4℃で一晩インキュベートしてください。
  5. 1X PBSで各5分間、3回すすいでください。
  6. 切片をProlong® Gold Antifade Reagent (#9071)、あるいはProlong® Gold Antifade Reagent with DAPI (#8961) とカバーガラスで覆ってください。
  7. 最良の結果を得るために、封入剤を室温で一晩硬化させてください。スライドを長期保存する際は、4°C、暗所で、水平にして保存してください。



Protocol Id: 182

特異性 / 感度

Cas9 (S. aureus) (6H4) Mouse mAb (Alexa Fluor® 647 Conjugate) recognizes endogenous levels of total Cas9 (S. aureus) protein. This antibody does not cross-react with Cas9 (S. pyogenes), AsCpf1 (Strain BV3L6), and FnCpf1 (Strain U112) proteins.

Species Reactivity:

All Species Expected

使用抗原 / 精製方法

Monoclonal antibody is produced by immunizing animals with recombinant protein specific to the amino terminus of Cas9 (S. aureus) protein.


The CRISPR associated protein 9 (Cas9) is an RNA-guided DNA nuclease and part of the CRISPR antiviral immunity system that provides adaptive immunity against extra chromosomal genetic material (1). The CRISPR antiviral mechanism of action involves three steps: (i), acquisition of foreign DNA by host bacterium; (ii), synthesis and maturation of CRISPR RNA (crRNA), followed by the formation of RNA-Cas nuclease protein complexes; and (iii), target interference through recognition of foreign DNA by the complex and its cleavage by Cas nuclease activity (2). The type II CRISPR/Cas antiviral immunity system provides a powerful tool for precise genome editing and has potential for specific gene regulation and therapeutic applications (3). The Cas9 protein and a guide RNA consisting of a fusion between a crRNA and a trans-activating crRNA (tracrRNA) must be introduced or expressed in a cell. A 20-nucleotide sequence at the 5' end of the guide RNA directs Cas9 to a specific DNA target site. As a result, Cas9 can be "programmed" to cut various DNA sites both in vitro and in cells and organisms. CRISPR/Cas9 genome editing tools have been used in many organisms, including mouse and human cells (4,5). Research studies demonstrate that CRISPR can be used to generate mutant alleles or reporter genes in rodents and primate embryonic stem cells (6-8).

Cas9 (S. aureus) is a Cas9 ortholog that is smaller, but as efficient, as the more commonly used Cas9 ortholog, Cas9 (S. Pyogenes) (9).

  1. Horvath, P. and Barrangou, R. (2010) Science 327, 167-70.
  2. Wiedenheft, B. et al. (2012) Nature 482, 331-8.
  3. Singh, P. et al. (2015) Genetics 199, 1-15.
  4. Cong, L. et al. (2013) Science 339, 819-23.
  5. Mali, P. et al. (2013) Science 339, 823-6.
  6. Li, D. et al. (2013) Nat Biotechnol 31, 681-3.
  7. Shen, B. et al. (2013) Cell Res 23, 720-3.
  8. Niu, Y. et al. (2014) Cell 156, 836-43.
  9. Ran, F.A. et al. (2015) Nature 520, 186-91.

Pathways & Proteins

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Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
ProLong is a registered trademark of Life Technologies Corporation.
This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@lifetech.com.

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