Recombinant CD21 Antibody - Primary antibody, specific to CD21, Rabbit IgG

Cat. No.: Ab006591
AVAILABLE TO ORDER
GRADE & PURITY Recombinant ? Recombinant — produced via recombinant expression for defined sequence and consistency. Use for reproducible, animal-free proteins of known origin. Validated ? Validated grade — performance confirmed in defined applications before release. Use when you want documented assurance the reagent works as stated. ExactAb™ ? ExactAb™ — Aladdin's antibody line emphasizing precision and validated quality. Use for reliable, specificity-validated antibody applications. High Performance ? High-performance grade with optimized purity and performance characteristics. Use for sensitive analyses where ordinary grades fall short. See COA
Application
IHC, WB
Host species
Rabbit
Reactive species
Human, Mouse
Isotype
Rabbit IgG
Conjugation
Unconjugated
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10μl
Ab006591-10μl
1
$99.90
50μl
Ab006591-50μl
1
$259.90
100μl
Ab006591-100μl
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.
$419.90
1ml
Ab006591-1ml
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.
$3,399.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

Recombinant, ExactAb™, Validated, High Performance, See COA ExactAb™,High Performance,Recombinant,Validated for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Avoid repeated freezing and thawing Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Rabbit anti Human CD21 Antibody, Recombinant, could be used for WB, IHC and so on.
Application
WB: 1/1000-1/5000
IHC: 1/50-1/200
Protein Function
Receptor for complement C3Dd, for the Epstein-Barr virus on human B-cells and T-cells and for HNRPU. Participates in B lymphocytes activation.

Specifications

Product Name
Recombinant CD21 Antibody - Primary antibody, specific to CD21, Rabbit IgG
Synonyms
CD 21 antibody | CD21 antibody | Complement C3d receptor 2 antibody | Complement C3d receptor antibody | Complement component (3d/Epstein Barr virus) receptor 2 antibody | Complement receptor type 2 antibody | CR antibody | Cr2 antibody | C3DR antibody |
Specifications & Purity
Recombinant, ExactAb™, Validated, High Performance, See COA
Host species
Rabbit
Specificity
CD21
Immunogen
A synthetic peptide derived from human CD21 (AA 1000-1033).
Positive Control
WB: Raji cell lysate. IHC: Human spleen tissue.
Conjugation
Unconjugated
Grade
ExactAb™, High Performance, Recombinant, Validated
Isotype
Rabbit IgG
Light Chain Type
kappa
SDS-PAGE
150 kDa
Purification Method
Protein A purified
Concentration
See COA
Storage and Shipping
Shape
Phosphate-buffered saline. Sterile-filtered through 0.22 µm. Carrier and preservative free
Storage
Store at -20°C,Avoid repeated freezing and thawing
Shipped In
Ice chest + Ice pads
Stability And Storage
Store at 4℃ short term (1-2 weeks). Store at -20℃ long term (24 months). Upon delivery aliquot. Avoid freeze/thaw cycle.
Images

Recombinant CD21 Antibody (Ab006591) - Western Blot
All lanes: Recombinant CD21 Antibody (Ab006591) at 1/2000 dilution
Samples: Lysates at 20 µg per lane
Secondary: Goat Anti-Rabbit IgG H&L (HRP) (Ab170144) at 1/20000 dilution
Predicted band size: 155 kDa
Observed band size: 148 kDa
Exposure time: 120.0 s

Recombinant CD21 Antibody (Ab006591) - IHC
Immunohistochemical analysis of paraffin-embedded human spleen, using Recombinant CD21 Antibody (Ab006591).

Application
ApplicationDilution info
IHC

1/50-1/200

WB

1/1000-1/5000

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Associated Targets(Human)
CR2 Tbio Complement receptor type 2 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDateItem
ZJ24F0910170Certificate of AnalysisJun 17, 2026 Ab006591
ZJ24F0910171Certificate of AnalysisJun 17, 2026 Ab006591
Solution Calculators
Reviews

Customer Reviews

Need help choosing the grade?

Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.

View Recombinant grade guide → View Validated grade guide → View ExactAb™ grade guide → View High Performance grade guide →

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