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SDS-Page (Figure 1. Human CD22, hFc-His Tag on SDS-PAGE under reducing condition.)

CD22 recombinant protein

Recombinant human CD22 protein with C-terminal human Fc and 6xHis tag

Gene Names
CD22; SIGLEC2; SIGLEC-2
Applications
Western Blot
Purity
The purity of the protein is greater than 95% as determined by SDS-PAGE and Coomassie blue staining.
Synonyms
CD22; Recombinant human CD22 protein with C-terminal human Fc and 6xHis tag; Human CD22 Protein; hFc-His Tag; SIGLEC2; BL-CAM; SIGLEC-2; Siglec2; SIGLEC2FLJ22814; CD22 recombinant protein
Ordering
For Research Use Only!
Host
HEK293 cells
Purity/Purification
The purity of the protein is greater than 95% as determined by SDS-PAGE and Coomassie blue staining.
Form/Format
Lyophilized from sterile PBS, pH 7.4. Normally 5%-12% trehalose is added as protectants before lyophilization.
Sequence
CD22(Asp20-Arg687)+hFc(Glu99-Ala330)
Applicable Applications for CD22 recombinant protein
Western Blot (WB)
Source
Human
Conjugation
C-Human Fc and 6xHis tag
Reconstitution
Reconstitute with deionized water
Preparation and Storage
Store at -80 degree C for 12 months (Avoid repeated freezing and thawing)
Shipping: Blue Ice

SDS-Page

(Figure 1. Human CD22, hFc-His Tag on SDS-PAGE under reducing condition.)

SDS-Page (Figure 1. Human CD22, hFc-His Tag on SDS-PAGE under reducing condition.)
Related Product Information for CD22 recombinant protein
B-cell receptor CD22 is also known as Sialic acid-binding Ig-like lectin 2 (Siglec-2), B-lymphocyte cell adhesion molecule (BL-CAM), T-cell surface antigen Leu-14, which belongs to the immunoglobulin superfamily and SIGLEC (sialic acid binding Ig-like lectin) family. CD22 mediates B-cell B-cell interactions, and may be involved in the localization of B-cells in lymphoid tissues. Siglec-2/CD22 binds sialylated glycoproteins, one of which is CD45. Siglec2/CD22 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.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
933
NCBI Accession #
NCBI GenBank Nucleotide #
Molecular Weight
95,348 Da
NCBI Official Full Name
B-cell receptor CD22 isoform 2
NCBI Official Synonym Full Names
CD22 molecule
NCBI Official Symbol
CD22
NCBI Official Synonym Symbols
SIGLEC2; SIGLEC-2
NCBI Protein Information
B-cell receptor CD22; BL-CAM; CD22 antigen; T-cell surface antigen Leu-14; B-lymphocyte cell adhesion molecule; sialic acid binding Ig-like lectin 2; sialic acid-binding Ig-like lectin 2
UniProt Protein Name
B-cell receptor CD22
Protein Family
UniProt Gene Name
CD22
UniProt Synonym Gene Names
SIGLEC2; BL-CAM; Siglec-2
UniProt Entry Name
CD22_HUMAN

Uniprot Description

CD22: 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. Belongs to the immunoglobulin superfamily. SIGLEC (sialic acid binding Ig-like lectin) family. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: Cell surface; Membrane protein, integral

Chromosomal Location of Human Ortholog: 19q13.1

Cellular Component: integral to plasma membrane; external side of plasma membrane

Molecular Function: protein binding; carbohydrate binding

Biological Process: cell adhesion

Research Articles on CD22

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Product Notes

The CD22 cd22 (Catalog #AAA188061) is a Recombinant Protein produced from HEK293 cells and is intended for research purposes only. The product is available for immediate purchase. AAA Biotech's CD22 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). Researchers should empirically determine the suitability of the CD22 cd22 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: CD22(Asp20 -Arg687)+h Fc(Glu99-A la330). It is sometimes possible for the material contained within the vial of "CD22, Recombinant Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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