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CD22 Recombinant antibody, PBS Only (Capture/Detector)

CD22 Uni-rAbTM Recombinant Antibody for WB, Cytometric bead array, Indirect ELISA

Host / Isotype

Rabbit / IgG

Reactivity

human

Applications

WB, Cytometric bead array, Indirect ELISA

Conjugate

Unconjugated

CloneNo.

241314G10

Cat no : 84265-2-PBS

Synonyms

CD22 molecule, B-lymphocyte cell adhesion molecule, BL-CAM, B-cell receptor CD22, B cell receptor CD22

Validation Data Gallery

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  • Western Blot (WB) analysis of various lysates using CD22 Recombinant antibody (84265-2-RR)

    WB analysis using 84265-2-RR (same clone as 84265-2-PBS)

    Various lysates were subjected to SDS PAGE followed by western blot with 84265-2-RR (CD22 antibody) at dilution of 1:10000 incubated at room temperature for 1.5 hours. This data was developed using the same antibody clone with 84265-2-PBS in a different storage buffer formulation.

  • Cytometric bead array standard curve of MP01173-1

    Cytometric bead array standard curve of MP01173-1

    Cytometric bead array standard curve of MP01173-1, CD22 Recombinant Matched Antibody Pair, PBS Only. Capture antibody: 84265-2-PBS. Detection antibody: 84265-3-PBS. Standard: RP02324. Range: 0.313-40 ng/mL.

  • Cytometric bead array standard curve of MP01173-3

    Cytometric bead array standard curve of MP01173-3

    Cytometric bead array standard curve of MP01173-3, CD22 Recombinant Matched Antibody Pair, PBS Only. Capture antibody: 84265-4-PBS. Detection antibody: 84265-2-PBS. Standard: RP02324. Range: 0.313-40 ng/mL.

Product Information

84265-2-PBS targets CD22 as part of a matched antibody pair:

MP01173-1: 84265-2-PBS capture and 84265-3-PBS detection (validated in Cytometric bead array)

MP01173-3: 84265-4-PBS capture and 84265-2-PBS detection (validated in Cytometric bead array)

Unconjugated rabbit recombinant monoclonal antibody in PBS only (BSA and azide free) storage buffer at a concentration of 1 mg/mL, ready for conjugation. Created using Proteintech’s proprietary in-house recombinant technology. Recombinant production enables unrivalled batch-to-batch consistency, easy scale-up, and future security of supply.

This conjugation ready format makes antibodies ideal for use in many applications including: ELISAs, multiplex assays requiring matched pairs, mass cytometry, and multiplex imaging applications.Antibody use should be optimized by the end user for each application and assay.

Tested Reactivity human
Host / Isotype Rabbit / IgG
Class Recombinant
Type Antibody
Immunogen Recombinant Protein
Full Name CD22 molecule
Calculated Molecular Weight 847 aa, 95 kDa
Observed Molecular Weight130-140 kDa
GenBank Accession NumberBC109306
Gene Symbol CD22
Gene ID (NCBI) 933
Conjugate Unconjugated
Form Liquid
Purification MethodProtein A purification
Storage Buffer PBS Only
Storage ConditionsStore at -80°C.

Background Information

CD22, also known as Siglec-2 (sialic acid binding Ig-like lectin 2) or BL-CAM (B-lymphocyte cell adhesion molecule), is a 130-140 kDa, B-cell restricted, type I transmembrane glycoprotein belonging to the immunoglobulin gene superfamily. The expression of CD22 is developmentally regulated. It is expressed at low levels in the cytoplasm of pro-B and pre-B cells and present on the cell surface only at mature stages of B-cell differentiation. Cell surface expression is lost during terminal differentiation into plasma cell and after B-cell activation. CD22 is an inhibitory receptor for B-cell receptor (BCR) signalling, preferentially binds to alpha-2,6-linked sialic acid and mediates B-cell B-cell interactions. It plays a crucial role in activation and differentiation of the B-cell.