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7074
Anti-rabbit IgG, HRP-linked Antibody
Secondary Antibodies
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Anti-rabbit IgG, HRP-linked Antibody #7074

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Western Blotting Image 1: Anti-rabbit IgG, HRP-linked Antibody

After the primary antibody is bound to the target protein, a complex with HRP-linked secondary antibody is formed. The LumiGLO® is added and emits light during enzyme catalyzed decomposition.

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To Purchase # 7074S
Product # Size Price Inventory
7074P2		 100 µl
7074S		 1 ml
7074V		 5 ml

Custom Formulation

Supporting Data

REACTIVITY
SENSITIVITY
MW (kDa)
Source/Isotype Goat 

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
  • Vir-Virus
  • 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

Designed for use with rabbit polyclonal and monoclonal antibodies, this affinity purified goat anti-rabbit IgG (heavy and light chain) antibody is conjugated to horseradish peroxidase(HRP) for chemiluminescent detection.  This product is thoroughly validated with CST primary antibodies and will work optimally with the CST western immunoblotting protocol, ensuring accurate and reproducible results.

Product Usage Information

Recommended Antibody Dilutions:

1:1000–1:3000

20X LumiGLO® Reagent and 20X Peroxide #7003 1:1K–1:3K

SignalFireTM ECL Reagent #6883 1:1K–1:3K

SignalFireTM Plus ECL Reagent #12630 1:5K-1:15K

SignalFireTM Elite ECL Reagent #12757 1:10K-1:20K

Storage

Supplied in 10mM sodium HEPES (pH 7.5), 150 mM NaCl, 2 mg/ml bovine serum albumin (BSA) and 50% glycerol. Store at –20°C. Do not aliquot the antibodies.

Protocol

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12957 Western Blotting Application Solutions Kit Protocol

NOTE: Please refer to the primary antibody datasheet or product webpage for recommended primary antibody dilution buffer and recommended antibody dilution.

A. Solutions and Reagents

NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.

SUPPLIED REAGENTS

  1. 10X Cell Lysis Buffer: (#9803) To prepare 10 ml of 1X Cell Lysis Buffer: add 1 ml 10X Cell Lysis Buffer to 9 ml dH2O. Chill buffer on ice and add 50 µl 200X PMSF just prior to use.
  2. 200X PMSF: (#8553) Reconstitute 34.84 mg of lyophilized PMSF in 1 ml isopropyl alcohol, to make a 200 mM solution.
  3. 1X SDS Sample Buffer: Blue Loading Buffer Pack (#7722). Prepare fresh 3X reducing loading buffer by adding 1/10 volume 30X DTT (#14265) to 1 volume of 3X SDS loading buffer (#56036). Dilute to 1X with dH2O.
  4. Blue Prestained Protein Marker, Broad Range (11-250 kDa): (#59329).
  5. 10X Tris-Glycine SDS Running Buffer: (#4050) To prepare 1 L 1X running buffer: add 100 ml 10X Running Buffer to 900 ml dH2O, mix.
  6. 10X Tris-Glycine Transfer Buffer: (#12539) To prepare 1 L 1X transfer buffer: add 100 ml 10X Transfer Buffer to 200 ml methanol + 700 ml dH2O, mix.
  7. Nitrocellulose Sandwiches: (#12369).
  8. 10X Tris Buffered Saline with Tween® 20 (TBST): (#9997) To prepare 1 L 1X TBST: add 100 ml 10X TBST to 900 ml dH2O, mix.
  9. Nonfat Dry Milk: (#9999).
  10. Blocking Buffer: 1X TBST with 5% w/v nonfat dry milk; for 150 ml, add 7.5 g nonfat dry milk to 150 ml 1X TBST and mix well.
  11. Wash Buffer: 1X TBST.
  12. Bovine Serum Albumin (BSA): (#9998).
  13. Primary Antibody Dilution Buffer: 1X TBST with 5% BSA or 5% nonfat dry milk as indicated on primary antibody datasheet; for 20 ml, add 1.0 g BSA or nonfat dry milk to 20 ml 1X TBST and mix well.
  14. Secondary Antibody Conjugated to HRP: Anti-rabbit (#7074); anti-mouse (#7076).
  15. Detection Reagent: SignalFire™ ECL Reagent (#6883). Reagents A (#46935) and B (#74709) should be combined just prior to use.

ADDITIONAL REAGENTS (NOT SUPPLIED)

  1. Primary Antibody.
  2. 20X Phosphate Buffered Saline (PBS): (#9808) To prepare 1 L 1X PBS: add 50 ml 20X PBS to 950 ml dH2O, mix.
  3. Reverse Osmosis Deionized (RODI) Water.
  4. Isopropyl Alcohol.
  5. BCA Protein Assay Kit: (#7780) (OPTIONAL).
  6. Biotinylated Protein Ladder Detection Pack: (#7727) (OPTIONAL).
  7. Methanol.
  8. 10X Tris Buffered Saline (TBS): (#12498) To prepare 1 L 1X TBS: add 100 ml 10X to 900 ml dH2O, mix. (OPTIONAL).
  9. Streptavidin-HRP: (#3999) (if necessary).

B. Protein Blotting

A general protocol for sample preparation.

  1. Treat cells by adding fresh media containing regulator for desired time.
  2. Aspirate media from cultures; wash cells with 1X PBS; aspirate. If performing protein concentration quantification, proceed to step #3, if not, skip to step #8.
  3. Lyse cells by adding 1X Cell Lysis Buffer (80 µl per well of 6-well plate or 400 µl for a 10 cm diameter plate). Incubate plate on ice for 5 min, then scrape cells off the plate and transfer lysate to a microcentrifuge tube. Keep on ice.
  4. Sonicate for 10–15 sec to complete cell lysis and shear DNA (to reduce sample viscosity). Keep on ice.
  5. Centrifuge extract for 10 min at 14,000 x g in a cold microcentrifuge. Transfer supernatant to a new tube and discard pellet.
  6. Determine protein concentration using BCA Protein Assay Kit #7780.
  7. Add 3X SDS Sample Buffer to a final concentration of 1X. Proceed to step #10.
  8. Lyse cells by adding 1X SDS sample buffer (100 µl per well of 6-well plate or 500 µl for a 10 cm diameter plate). Immediately scrape the cells off the plate and transfer the extract to a microcentrifuge tube. Keep on ice.
  9. Sonicate for 10–15 sec to complete cell lysis and shear DNA (to reduce sample viscosity). Keep on ice.
  10. Heat a 20 µl sample to 95–100°C for 5 min; cool on ice.
  11. Microcentrifuge for 5 min.
  12. Prepare electrophoresis gel and apparatus using 1X running buffer.
  13. Load 15 µl onto SDS-PAGE gel (10 cm x 10 cm).

    NOTE: Loading of prestained molecular weight markers (#59329, 5 µl/lane) to verify electrotransfer and biotinylated protein ladder (#81851, 10 µl/lane) to determine molecular weights are recommended.

  14. Perform electrotransfer to nitrocellulose membrane (#12369) using 1X transfer buffer in a tank (wet) transfer system.

C. Membrane Blocking and Antibody Incubations

NOTE: Volumes are for 10 cm x 10 cm (100 cm2) or smaller membrane; for larger membranes, adjust volumes accordingly.

I. Membrane Blocking

  1. (Optional) After transfer, wash nitrocellulose membrane with 25 ml TBS for 5 min at room temperature.
  2. Incubate membrane in 25 ml of blocking buffer for 1 hr at room temperature.
  3. Wash three times for 5 min each with 15 ml of TBST.

II. Primary Antibody Incubation

Proceed to one of the following specific set of steps depending on the primary antibody used.

For Unconjugated Primary Antibodies

  1. Incubate membrane and primary antibody (at the appropriate dilution and diluent as recommended in the product datasheet) in 10 ml primary antibody dilution buffer with gentle agitation overnight at 4°C.
  2. Wash three times for 5 min each with 15 ml of TBST.
  3. Incubate membrane with the species appropriate HRP-conjugated secondary antibody (#7074 or #7076 at 1:2000) and, if necessary, anti-biotin, HRP-linked Antibody (#7075 at 1:1000–1:3000) to detect biotinylated protein markers in 10 ml of blocking buffer with gentle agitation for 1 hr at room temperature.
  4. Wash three times for 5 min each with 15 ml of TBST.
  5. Proceed with detection (Section D).

For HRP Conjugated Primary Antibodies

  1. Incubate membrane and primary antibody (at the appropriate dilution as recommended in the product datasheet) in 10 ml primary antibody dilution buffer with gentle agitation overnight at 4°C.
  2. Wash three times for 5 min each with 15 ml of TBST.
  3. If necessary, incubate with Anti-biotin, HRP-linked Antibody (#7075 at 1:1000–1:3000), to detect biotinylated protein markers, in 10 ml of blocking buffer with gentle agitation for 1 hr at room temperature.
  4. Wash three times for 5 min each with 15 ml of TBST.
  5. Proceed with detection (Section D).

For Biotinylated Primary Antibodies

  1. Incubate membrane and primary antibody (at the appropriate dilution as recommended in the product datasheet) in 10 ml primary antibody dilution buffer with gentle agitation overnight at 4°C.
  2. Wash three times for 5 min each with 15 ml of TBST.
  3. Incubate membrane with Streptavidin-HRP (#3999, not supplied) at 1:2000 in 10 ml of blocking buffer with gentle agitation for 1 hr at room temperature.
  4. Wash three times for 5 min each with 15 ml of TBST.
  5. Proceed with detection (Section D).

    6. Do not add Anti-biotin, HRP-linked Antibody for detection of biotinylated protein markers. There is no need. The Streptavidin-HRP will also visualize the biotinylated markers.

D. Detection of Proteins

  1. Incubate membrane in 10 ml SignalFire™ #6883 (5 ml Reagent A (#46935), 5 ml Reagent B (#74709)) with gentle agitation for 1 min at room temperature.
  2. Drain membrane of excess developing solution (do not let dry), wrap in plastic wrap and expose to x-ray film. An initial 10 sec exposure should indicate the proper exposure time.

    NOTE: Due to the kinetics of the detection reaction, signal is most intense immediately after incubation.

Protocol Id: 2064

Background

Chemiluminescence systems have emerged as the best all-around method for western blot detection. They eliminate the hazards associated with radioactive materials and toxic chromogenic substrates. The speed and sensitivity of these methods are unequalled by traditional alternatives, and because results are generated on film, it is possible to record and store data permanently. Blots detected with chemiluminescent methods are easily stripped for subsequent reprobing with additional antibodies. HRP-conjugated secondary antibodies are utilized in conjunction with specific chemiluminescent substrates to generate the light signal. HRP conjugates have a very high turnover rate, yielding good sensitivity with short reaction times.

使用に関する制限

法的な権限を与えられたCSTの担当者が署名した書面によって別途明示的に合意された場合を除き、 CST、その関連会社または代理店が提供する製品には以下の条件が適用されます。お客様が定める条件でここに定められた条件に含まれるものを超えるもの、 または、ここに定められた条件と異なるものは、法的な権限を与えられたCSTの担当者が別途書面にて受諾した場合を除き、拒絶され、 いかなる効力も効果も有しません。

研究専用 (For Research Use Only) またはこれに類似する表示がされた製品は、 いかなる目的についても FDA または外国もしくは国内のその他の規制機関により承認、認可または許可を受けていません。 お客様は製品を診断もしくは治療目的で使用してはならず、また、製品に表示された内容に違反する方法で使用してはなりません。 CST が販売または使用許諾する製品は、エンドユーザーであるお客様に対し、使途を研究および開発のみに限定して提供されるものです。 診断、予防もしくは治療目的で製品を使用することまたは製品を再販売 (単独であるか他の製品等の一部であるかを問いません) もしくはその他の商業的利用の目的で購入することについては、CST から別途許諾を得る必要があります。 お客様は以下の事項を遵守しなければなりません。(a) CST の製品 (単独であるか他の資材と一緒であるかを問いません) を販売、使用許諾、貸与、寄付もしくはその他の態様で第三者に譲渡したり使用させたりしてはなりません。また、商用の製品を製造するために CST の製品を使用してはなりません。(b) 複製、改変、リバースエンジニアリング、逆コンパイル、 分解または他の方法により製品の構造または技術を解明しようとしてはなりません。また、 CST の製品またはサービスと競合する製品またはサービスを開発する目的で CST の製品を使用してはなりません。(c) CST の製品の商標、商号、ロゴ、特許または著作権に関する通知または表示を除去したり改変したりしてはなりません。(d) CST の製品をCST 製品販売条件(CST’s Product Terms of Sale) および該当する書面のみに従って使用しなければなりません。(e) CST の製品に関連してお客様が使用する第三者の製品またはサービスに関する使用許諾条件、 サービス提供条件またはこれに類する合意事項を遵守しなければなりません。

For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
LumiGLO is a registered trademark of Kirkegaard & Perry Laboratories.