CD4 Rabbit Polyclonal Antibody

• Catalog Number: orb312176
• Category: Antibodies
• Description: CD4 Rabbit Polyclonal Antibody
• Species/Host: Rabbit
• Clonality: Polyclonal
• Tested applications: IF, IHC-Fr, IHC-P, WB
• Predicted Reactivity: Human, Rat
• Reactivity: Human, Mouse, Rat
• Isotype: IgG
• Immunogen: KLH conjugated synthetic peptide derived from the middle of mouse CD4 (231-330/457aa)
• Concentration: 1mg/ml
• Dilution range: WB=1:500-2000, IHC-P=1:100-500, IHC-F=1:100-500, IF=1:100-500
• Form/Appearance: Liquid
• Conjugation: Unconjugated
• MW: 55 kDa
• Target: CD4
• Storage: Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
• Buffer/Preservatives: 0.01M TBS (pH7.4) with 1% rAlbumin, 0.02% Proclin300 and 50% Glycerol.
• Alternative names: CD4 (L3T4); CD4 antigen (p55); CD4 Antigen ; CD4 m
• Note: For research use only
• Expiration Date: 12 months from date of receipt.

Paraformaldehyde-fixed, paraffin embedded (rat spleen), Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15 min, Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes, Blocking buffer (normal goat serum) at 37°C for 30 min, Antibody incubation with (CD4) Polyclonal Antibody, Unconjugated (orb312176) at 1:400 overnight at 4°C, followed by a conjugated secondary for 20 minutes and DAB staining.

Sample: Lane 1: Human HL-60 cell lysates, Lane 2: Human MOLT4 cell lysates, Lane 3: Human Jurkat cell lysates, Lane 4: Human Raji cell lysates, Primary: Anti-CD4 (orb312176) at 1/1000 dilution, Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution, Predicted band size: 48 kDa >, Observed band size: 60 kDa.

Sample: U937 (Human) Cell Lysate at 30 ug, Primary: Anti-CD4 (orb312176) at 1/1000 dilution, Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution, Predicted band size: 48 kD, Observed band size: 55 kD.

Tissue/Cell: rat lung tissue, 4% Paraformaldehyde-fixed and paraffin-embedded, Antigen retrieval: citrate buffer (0.01M, pH 6.0), Boiling bathing for 15 min, Blocking buffer (normal goat serum) at 37°C for 20 min, Incubation: Anti-CD4 (mouse, rat) Polyclonal Antibody, Unconjugated (orb312176) 1:200, overnight at 4°C, The secondary antibody was Goat Anti-Rabbit IgG, Cy3 conjugated (orb868589) used at 1:200 dilution for 40 minutes at 37°C. DAPI (5 ug/ml, blue) was used to stain the cell nuclei.