Red Fluorescent Protein (DsRed) 抗体

ABIN967350 产品详细信息, 供应商: Log in to see
克隆类型 (克隆位点)
单克隆 ()
Western Blotting (WB)
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抗原 DsRed
Lot Number 6223801
Method validated Western Blotting
Positive Control Human foreskin fibroblasts infected with DsRed expressing virus
Negative Control Cells infected with EGFP expressing virus
Notes Passed. ABIN967350 specifically recognizes DsRed in extracts of cells expressing DsRed and GFP.
Primary Antibody ABIN967350
Secondary Antibody goat anti-mouse antibody (Pierce, 32230, lot QC212446)
  • Grow fibroblasts in Dulbecco’s modified Eagle’s medium (Biochrom, F-0435, lot 0315F) supplemented with 10% fetal calf serum (FBS Good Forte, PAN Biotech, P40-47500, lot P130912)and 100U/ml penicillin, 100µg/ml streptomycin sulfate (PAN Biotech, P06-19100, lot 7530716) at 37°C and 5% CO2 in 2ml on a tissue culture 6-well plate to 90% confluency.
  • Infect cells at an MOI of 3 with
    • an EGFP-expressing virus V1-gfp,
    • a DsRed expressing viruse V2-DsRed,
    • a DsRed expressing viruse V3-DsRed,
    • virus V1-gfp and V2-DsRed, or
    • virus V1-gfp and V3-DsRed
  • Grow cells for 4d at 37°C and 5% CO2.
  • Collect 8.5x104 cells directly in 200µl of1x Laemmli SDS sample buffer, and boil them for 5min at 95°C.
  • Separate the equivalent of 5000 cells of each sample on an Any kD SDS-PAGE gel (Bio-Rad, 456-9036, control 400100025) in a Bio-Rad Mini-Protean gel electrophoresis chamber for 45min at 250V and 21°C.
  • Transfer proteins onto nitrocellulose membrane (GE Healthcare, 10600003, lot G7724136) with a TE77X semi-dry blotting system (SERVA) for 30min at 0.5A.
  • Block the membrane using Roti-Block solution (Carl Roth, A151.1, lot 382190165) for 1h at RT.
  • Incubate the membrane with primary
    • mouse anti-Red Fluorescent Protein (DsRed) antibody (antibodies-online, ABIN967350, lot 6223801)
    • rabbit anti-GFP (D5.1) XP (Cell Signalling, 2956, lot 4) antibody
  • diluted 1:1000 in Roti-Block solution ON at RT.
  • Wash the membrane 4x for 5min in PBS + 0.1% Tween20 (PBST).
  • Incubate the membrane with secondary HRP-conjugated
    • goat anti-mouseantibody (Pierce, 32230, lot QC212446)
    • goat anti-rabbitantibody (Pierce, 32260, lot QH219992)
  • diluted 1:2000 in PBST for 1h at RT.
  • Wash the membrane 4x for 5min in PBST.
  • Visualize protein bands using SuperSignal West Femto Maximum Sensitivity Substrate (Thermo Scientific, 34096, lot RH236205) on a LAS 3000 imager (Fuji).
  • Strip the membrane using Restore PLUS Western blot stripping buffer (Thermo Scientific, 46428, lot PA196499) for 20min at RT.
  • Wash the membrane 4x for 5min in PBST, and block for 1h at RT with Roti-Block solution.
  • Incubate the membrane with primary rabbit anti-GAPDH antibody (Cell signalling, 2118, lot 10) diluted 1:2000 in PBST for 1h at RT.
  • Wash the membrane 4x for 5min in PBST.
  • Incubate the membrane with secondary goat anti-rabbit antibody (PIERCE, 32260, lot QH219992) diluted 1:2000 in PBST for 1h at RT.
  • Wash the membrane 4x for 5min in PBST.
  • Visualize protein bands using SuperSignal West Femto Maximum Sensitivity Substrate (Thermo Scientific, 34096, lot RH236205) on a LAS 3000 imager (Fuji).
Experimental Notes

The Red Fluorescent Protein (DsRed) antibody ABIN967350 reveals a protein of the expected molecular weight (31kDa) in lysates of cells infected with DsRed or with DsRed and EGFP expressing virus. A slightly lower MW band is visible in the lysates of EGFP (expected MW 28kDa) expressing cells. This might reflect some cross-reactivity of the DsRed antibody with the structurally similar EGFP. However, the overall selectivity of ABIN967350 towards DsRed is very good.

Validation Images
Western Blotting validation image for anti-Red Fluorescent Protein (DsRed) antibody (ABIN967350) Immunoblot of DsRed or EGFP expressing human fibroblast lysates using ABIN967350. Cel...
品牌 BD Pharmingen™
免疫原 DsRed1 recombinant protein
克隆位点 E64-1077
亚型 IgG1
产品特性 1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
2. Please refer to us for technical protocols.
3. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
4. Source of all serum proteins is from USDA inspected abattoirs located in the United States.
纯化方法 The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.
别名 DsRed Fluorescent Protein
物质类 Chemical
背景 DsRed is naturally occurring fluorescent protein from a coral of the genus Discosoma. DsRed, like green fluorescent protein (GFP) can be introduced into either cultured cells or in transgenic animals to study the localization of a specific protein. It can also be used in fusion constructs with a protein of interest to examine protein-protein interactions or as a general marker. The crystal structure of DsRed has been solved and shown that DsRed monomers exhibit similar topology to GFP, but have additional chemical modifications which account for differences in the spectra, when compared to GFP. DsRed has a longer emission/absorption wavelength than GFP. DsRed migrates at 31 kDa in SDS/PAGE. The antibody recognizes three forms of DsRed, 1, 2 and pTimer. A recombinant protein representing DsRed1 was used as the immunogen.
分子量 31 kDa
应用备注 Applications include western blot analysis (0.25-1.0 µg/ml). DsRed2 control lysate is provided as a positive control (component 51-16616N) and approximately 10 µl is recommended to visualize DsRed by western blot analysis.

Related Products: ABIN967389

限制 仅限研究用
状态 Liquid
浓度 0.25 mg/mL
缓冲液 Aqueous buffered solution containing BSA, glycerol, and ≤0.09 % sodium azide.
储存液 Sodium azide
注意事项 This product contains Sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
储存条件 -20 °C
储存方法 Store undiluted at -20°C.
Western Blotting (WB) image for anti-Red Fluorescent Protein (DsRed) 抗体 (ABIN967350) Western blot analysis of DsRed. Lysate from DsRed2 was probed with anti-DsRed (clone ...
有引用在: Wall, Socolich, Ranganathan: "The structural basis for red fluorescence in the tetrameric GFP homolog DsRed." in: Nature structural biology, Vol. 7, Issue 12, pp. 1133-8, 2000 (PubMed).