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Anti-B-cell receptor CD22 CD22 Antibody Picoband®

Boster Bio Anti-B-cell receptor CD22 CD22 Antibody catalog # PA1018-1. Tested in IHC, WB applications. This antibody reacts with Human. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Product Specifications

Background

CD22 is a surface glycoprotein of B lymphocytes that is rapidly phosphorylated on cytoplasmic tyrosines after antigen receptor cross-linking. CD22 is a negative regulator of antigen receptor signaling whose onset of expression at the mature B cell stage may serve to raise the antigen concentration threshold required for B cell triggering. The human CD22 gene is expressed specifically in B lymphocytes and likely has an important function in cell-cell interactions. The B cell coreceptor CD22 plays an important role in regulating signal transduction via the B cell Ag receptor.3 CD22 is located within the band region q13.1 of chromosome 19.

Synonyms

B-cell receptor CD22; B-lymphocyte cell adhesion molecule; BL-CAM; Sialic acid-binding Ig-like lectin 2; Siglec-2; T-cell surface antigen Leu-14; CD22; CD22; SIGLEC2

Gene Name

B-cell receptor CD22

UniProt

P20273

Host

Rabbit

Reactivity

Human

Cross Reactivity

No cross-reactivity with other proteins

Immunogen

A synthetic peptide corresponding to a sequence at the C-terminus of human CD22.

Clonality

Polyclonal

Tissue Specificity

B-lymphocytes.

Applications

IHC, WB

Field of Research

Adaptive Immunity, B Cells, Cancer, Hematopoietic Progenitors, Immunology, Lymphoid, Stem Cells, Tumor Antigens, Tumor Biomarkers, Tumor Immunology, Tumor-Associated Antigens

Purification

Immunogen affinity purified.

Concentration

Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.

Form

Lyophilized

Reconstitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Function

Mediates B-cell B-cell interactions. May be involved in the localization of B-cells in lymphoid tissues. Binds sialylated glycoproteins; one of which is CD45. Preferentially binds to alpha-2,6-linked sialic acid. The sialic acid recognition site can be masked by cis interactions with sialic acids on the same cell surface. Upon ligand induced tyrosine phosphorylation in the immune response seems to be involved in regulation of B-cell antigen receptor signaling. Plays a role in positive regulation through interaction with Src family tyrosine kinases and may also act as an inhibitory receptor by recruiting cytoplasmic phosphatases via their SH2 domains that block signal transduction through dephosphorylation of signaling molecules.

Storage Conditions

Store 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 freeze-thaw cycles.

Product Datasheet

https://www.bosterbio.com/datasheet?sku=PA1018-1

Product MSDS

https://www.bosterbio.com/msds?sku=PA1018-1

Fragment

Rabbit IgG

Applications Notes

Immunohistochemistry (Paraffin-embedded Section), 0.5-1μg/ml, Human, By Heat<br>Western blot, 0.1-0.5μg/ml, Human<br>

Other Gene Names

CD22

Subcellular Location

Cell membrane; Single-pass type I membrane protein.

Sequence Similarities

Belongs to the immunoglobulin superfamily. SIGLEC (sialic acid binding Ig-like lectin) family.

Protein Name

B-cell receptor CD22

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