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CR2 antibody (A01632-5) performs well in ELISA, WB and shows reactivity with Human, Mouse.
- Validated for inter-lot consistency, specificity, and reproducibility
- Committed to quality since 1993
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Western blot analysis of CD21/CR2 using anti-CD21/CR2 antibody (A01632-5).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: mouse Raw264.7 whole cell lysates,
Lane 2: mouse Ana-1 whole cell lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-CD21/CR2 antigen affinity purified polyclonal antibody (Catalog # A01632-5) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for CD21/CR2 at approximately 100,150 kDa. The expected band size for CD21/CR2 is at 113 kDa.
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: mouse Raw264.7 whole cell lysates,
Lane 2: mouse Ana-1 whole cell lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-CD21/CR2 antigen affinity purified polyclonal antibody (Catalog # A01632-5) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for CD21/CR2 at approximately 100,150 kDa. The expected band size for CD21/CR2 is at 113 kDa.
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Anti-CD21/CR2 Antibody Picoband®
CR2 antibody
| Reactive Species | Host | Application |
|---|---|---|
| Human, Mouse | Rabbit | ELISA, WB |
Tested Applications
CR2 antibody was positively detected by WB in:
mouse Raw2647 whole cell, mouse Ana-1 whole cell
Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane
Recommend Dilution
Application
Dilution
Species
Western blot
0.25-0.5 μg/ml
Mouse
ELISA
0.1-0.5 μg/ml
-
* It is recommended to optimize the amount of this reagent in each experimental system to achieve the best results.
Reactive Data
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WB
ELISA
Mouse
Tested
Recommend
Human
Recommend
Monkey
Predicted
Predicted
Product Information
Product Name
Anti-CD21/CR2 Antibody Picoband®
View all CR2 Antibodies
View all CR2 Antibodies
Form
Lyophilized
Uniprot
Gene ID
Storage & Handling
At -20°C for one year from date of receipt.
After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months.
Avoid repeated freezing and thawing.
Host
Rabbit
Contents
Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.
Clonality
Polyclonal
Isotype
IgG
Immunogen
E.coli-derived human CD21/CR2 recombinant protein (Position: D76-N817).
Cross-Reactivity
No cross reactivity with other proteins.
Reconstitution
Adding 0.2 ml of distilled water will yield a concentration of 500 µg/ml.
Observed Molecular Weight
100,150 kDa
Calculated Molecular Weight
112.9 kDa
Background of CR2
Complement receptor type 2 (CR2), also known as complement C3d receptor, Epstein-Barr virus receptor, and CD21 (cluster of differentiation 21), is a protein that in humans is encoded by the CR2 gene. This gene encodes a membrane protein, which functions as a receptor for Epstein-Barr virus (EBV) binding on B and T lymphocytes. Genetic variations in this gene are associated with susceptibility to systemic lupus erythematosus type 9 (SLEB9). Alternatively spliced transcript variants encoding different isoforms have been found for this gene.
Cite This Product
Anti-CD21/CR2 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # A01632-5)
Antibody Homology Across Species
The results generated by this homology analysis tool for commonly used animal species are shown below. For unlisted species, please refer to the homology analysis between the immunogen sequence and the corresponding species.
A homology of ≥90% is recommended. Generally, higher homology indicates a greater potential for cross-species reactivity. However, protein expression levels may vary among different species, tissues, and cell types. Therefore, the homology analysis results are for reference only and do not guarantee antibody cross-reactivity or experimental performance.
Human
100%
High Homology
Monkey
94%
High Homology
Dog
76%
Moderate Homology
Cow
71%
Moderate Homology
Sheep
70%
Moderate Homology
Rabbit
70%
Moderate Homology
Mouse
67%
Low homology
Rat
66%
Low homology
Homology ≥ 90%High Homology
70% ≤ Homology < 90%Moderate Homology
Homology < 70%Low homology
Protocols
Western Blot protocol for CR2 antibody
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Product Promise
We promise Anti-CD21/CR2 Antibody Picoband® performs excellently in relevant applications for ELISA, WB. If it doesn't perform as promised, we will refund the product. Learn more
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A01632-5
Buy one primary antibody get one 0.5ml HRP or Biotin secondary antibody for free.
*Sample sizes are prepared on demand and will take extra lead time. (cannot be conjugated)
$370.00
Troubleshooting
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We promise all of our products perform as described in datasheets.
This product is for Research Use Only. Not for use in diagnostic procedures.
Update date:
Oct 12, 2026