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Home > Antibodies > Anti-Human Antibodies for Flow Cytometry > Anti-Human Siglec-2/CD22 Monoclonal Antibodies for Flow Cytometry

Anti-Human Siglec-2/CD22 Monoclonal Antibodies for Flow Cytometry

cluster of differentiation 22

Catalog No. Product Name Size List Price (US$) Quantity
PA007299.m2a Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Mouse IgG2a Kappa 50 ug 55.00
PA007299.m2a Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Mouse IgG2a Kappa 200 ug 110.00
PA007299.h1Fs Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Human IgG1 Fc Silent Kappa 50 ug 110.00
PA007299.h1Fs Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Human IgG1 Fc Silent Kappa 200 ug 220.00
PA007300.h1Fs-b Biotinylated Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Human IgG1 Fc Silent Kappa 50 ug 110.00
PA007300.h1Fs-b Biotinylated Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Human IgG1 Fc Silent Kappa 200 ug 220.00
Description

PA007299.m2a: Non-conjugated Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Mouse IgG2a kappa

Recombinant  Mouse IgG2a Monoclonal Antibody. 
Clone: NCI m971.
Isotype:  Mouse IgG2a kappa.
Source: The recombinant anti-human Siglec-2/CD22 monoclonal antibody (clone: NCI m971) was produced in mammalian cells.
Conjugation: Non-conjugated.
Specificity/Sensitivity: The recombinant mouse monoclonal antibody (clone: NCI m971)  specifically binds to the human Siglec-2/CD22 protein.
Applications: Flow cytometry (FC), and Immunohistochemistry - Frozen (IHC-F). 
Form of Antibody: 0.2 uM filtered solution, pH 7.4, no stabilizers or preservatives.
Purity: >95% by SDS-PAGE under reducing conditions and HPLC.

PA007299.h1Fs: Non-conjugated Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Human IgG1 Fc Silent Kappa

Recombinant  human IgG1 monoclonal antibody with Fc silent mutation.
Clone: NCI m971.
Isotype:  Human IgG1 Fc Silent Kappa.
Source: The recombinant anti-human Siglec-2/CD22 monoclonal antibody (clone: NCI m971) was produced in mammalian cells.
Conjugation: Non-conjugated.
Specificity/Sensitivity: The recombinant NCI m971 antibody specifically binds to the human Siglec-2/CD22 protein.
Applications: Flow cytometry (FC), and Immunohistochemistry - Frozen (IHC-F). 
Form of Antibody: 0.2 uM filtered solution, pH 7.4, no stabilizers or preservatives.
Purity: >95% by SDS-PAGE under reducing conditions and HPLC.

PA007300.h1Fs-b: Biotinylated Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971), Human IgG1 Fc Silent Kappa

Recombinant human IgG1 monoclonal antibody with site-directed biotinylation through the Avi tag at the C-terminus of the antibody heavy chain.
Clone: NCI m971.
Isotype: Human IgG1 Fc Silent Kappa.
Source: The site-directed biotinylated anti-human Siglec-2/CD22 monoclonal antibody (clone: NCI m971) was produced in mammalian cells.
Conjugation: Biotin-conjugated.
Specificity/Sensitivity: The site-directed biotinylated recombinant NCI m971 antibody specifically binds to the human Siglec-2/CD22 protein.
Applications: Flow cytometry (FC) with various dye conjugation through streptavidin; conjugation to streptavidin agarose beads or streptavidin magnetic beads.
Form of Antibody: 0.2 uM filtered solution, pH 7.4, no stabilizers or preservatives.
Purity: >95% by SDS-PAGE under reducing conditions and HPLC.

Shipping: The NCI m971 antibody is shipped with ice pack. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 
12 months from date of receipt, -20 to -70°C as supplied.
1 month from date of receipt, 2 to 8°C as supplied.

Syd Labs provides the following recombinant anti-human Siglec-2/CD22 monoclonal antibodies for flow cytometry:

Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
Biotin Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
FITC Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
APC Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
PE Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
Pacific Blue Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
PerCP Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
PE/Cy5 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
PE/Cy7 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
iFluor 488 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
iFluor 549 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
iFluor 594 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
iFluor 647 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
iFluor 700 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
APC/Cy7 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)
PerCP/Cy5.5 Recombinant Anti-human Siglec-2/CD22 Monoclonal Antibody (Clone: NCI m971)

Background:

The recombinant NCI m971 antibody binds to the human Siglec-2/CD22 protein, a sugar binding transmembrane protein, which specifically binds sialic acid with an immunoglobulin (Ig) domain located at its N-terminus. CD22 functions as an inhibitory receptor for B cell receptor (BCR) signaling. It is also involved in the B cell trafficking to Peyer's patches in mice. In mice, it has been shown that CD22 blockade restores homeostatic microglial phagocytosis in aging brains.

References of Anti-CD22 Monoclonal Antibody (Clone: NCI m971)

Ereño-Orbea J, et al. J Biol Chem. 2021 Oct;296:100966. doi: 10.1016/j.jbc.2021.100966. PMID: 34273351
The NCI m971 antibody’s Fab fragment bound the CD22 d7 domain with low nanomolar affinity (25 nM by BLI, comparable to 75 nM by flow cytometry). Cocrystal structures showed a preconfigured paratope (RMSD 0.33 Å), with HCDRs 1–3 and LCDRs 1–2 interacting with CD22’s C β-strand and loops, unaffected by N-linked glycosylation.
(Tags: NCI m971 antibody for flow cytometry; NCI m971 antibody)
For more technical references or data sheets regarding the Anti-CD22 Monoclonal Antibody (Clone: NCI m971) formats, please contact our scientific support team at message@sydlabs.com.
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