Nuclear Complex Co-IP Kit には、抗体に結合するビーズが含まれていないので、研究者自身で用意していただく必要があります。アクティブ・モティフでは簡便かつ効率的に免疫沈降複合体を捕捉するために Protein G Agarose Columns (商品コード 53037/53039) を推奨します。Protein G Agarose Columnsは,非特異的結合を減少するために特別に改変された、洗浄済みプロテインGアガロースビーズが含まれます。このビーズは、抗体結合、洗浄、溶出ステップを簡素化するろ過カラムと一緒に提供され、すぐに使用することができます。
タンパク質複合体回収後, 免疫沈降を行います。本キットには二種類の免疫沈降バッファー, low stringency buffer ( IP Low Buffer )と high stringency buffer ( IP High Buffer )がついています。さらに目的タンパク質複合体のタンパク質間結合が強固な場合には, 界面活性剤と塩を加える事でバックグラウンドを減らす事ができます。ただし, 不安定なタンパク質複合体は, 界面活性剤と塩を加える事で解離する可能性があります。
図1: 共免疫沈降の模式図
Nuclear Complex Co-IP Kit の利点
簡便で効率的です。
核抽出物の調製の際に, 核タンパク質複合体のタンパク質間の結合を解離させません。
免疫沈降に使用する試薬には, バックグラウンドを減らすための界面活性剤と塩がそれぞれついています。
複数実験の組立てや, ツーハイブリッドライブラリー作成の必要はありません。
Contents & Storage
Please note that the Nuclear Complex Co-IP Kit is shipped on dry ice and contains reagents with multiple storage temperatures inside. Please store each component at the temperature indicated below. All reagents are guaranteed stable for 6 months from date of receipt when stored properly. Each Nuclear Complex Co-IP Kit supplies sufficient reagents to perform 50 co-immunoprecipitation experiments. This kit includes the following components:
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