CD22

  • Official Full Name

    CD22 molecule

  • Overview

    CD22 or cluster of differentiation-22, is a molecule belonging to the SIGLEC family of lectins.[1] It is found on the surface of mature B cells and to a lesser extent on some immature B cells. Generally speaking, CD22 is a regulatory molecule that prevents the overactivation of the immune system and the development of autoimmune diseases.

  • Synonyms

    SIGLEC2;SIGLEC-2;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;BLCAM;Leu14;Siglec-2;Bectumomab;LymphoScan;158318-63-9;Epratuzumab;205923-57-5;Moxetumomab pasudotox;1020748-57-5;Inotuzumab ozogamicin;635715-01-4

Recombinant Proteins

  • Human
  • Rhesus macaque
  • Rat
  • Mouse
  • Monkey
  • Zebrafish
  • Canine
  • HEK293
  • Mammalian Cells
  • E.coli
  • Human Cells
  • CHO
  • NS0
  • Insect Cells
  • Fc
  • His
  • Avi
  • Non
  • DDK
  • Myc
  • lIgG2b
Cat.# Product name Source (Host) Species Tag Protein Length Price
CD22-562H Recombinant Human CD22 protein, hFc-tagged HEK293 Human Fc Asp20-Arg687
CD22-3947HAF488 Active Recombinant Human CD22 Protein, His-tagged, Alexa Fluor 488 conjugated HEK293 Human His 176-687 a.a.
CD22-3947HAF555 Active Recombinant Human CD22 Protein, His-tagged, Alexa Fluor 555 conjugated HEK293 Human His 176-687 a.a.
CD22-3947HAF647 Active Recombinant Human CD22 Protein, His-tagged, Alexa Fluor 647 conjugated HEK293 Human His 176-687 a.a.
CD22-3947HF Active Recombinant Human CD22 Protein, His-tagged, FITC conjugated HEK293 Human His 176-687 a.a.
CD22-482HAF488 Active Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 488 conjugated Mammalian Cells Human Fc
CD22-482HAF555 Active Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 555 conjugated Mammalian Cells Human Fc
CD22-482HAF647 Active Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 647 conjugated Mammalian Cells Human Fc
CD22-482HF Active Recombinant Human CD22 Protein, Fc-tagged, FITC conjugated Mammalian Cells Human Fc
CD22-561HAF488 Active Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 488 conjugated HEK293 Human Fc 20-683 a.a.
CD22-561HAF555 Active Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 555 conjugated HEK293 Human Fc 20-683 a.a.
CD22-561HAF647 Active Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 647 conjugated HEK293 Human Fc 20-683 a.a.
CD22-561HF Active Recombinant Human CD22 Protein, Fc-tagged, FITC conjugated HEK293 Human Fc 20-683 a.a.
CD22-3946H Active Recombinant Human CD22 protein, His-tagged HEK293 Human His Met1-Arg687
CD22-10926H Recombinant Human CD22, His-tagged E.coli Human His 338-687a.a.
CD22-8854C Recombinant Rhesus CD22 protein, Fc-tagged HEK293 Rhesus macaque Fc Met1-Arg686
Cd22-1153RAF488 Recombinant Rat Cd22 Protein, Fc-tagged, Alexa Fluor 488 conjugated HEK293 Rat Fc 907
Cd22-1153RAF555 Recombinant Rat Cd22 Protein, Fc-tagged, Alexa Fluor 555 conjugated HEK293 Rat Fc 907
Cd22-1153RAF647 Recombinant Rat Cd22 Protein, Fc-tagged, Alexa Fluor 647 conjugated HEK293 Rat Fc 907
Cd22-1153RF Recombinant Rat Cd22 Protein, Fc-tagged, FITC conjugated HEK293 Rat Fc 907
CD22-3947H Active Recombinant Human CD22 Protein, His-tagged HEK293 Human His 176-687 a.a.
CD22-3947HA Recombinant Human CD22 protein, His-tagged, APC labeled HEK293 Human His
CD22-3947HP Recombinant Human CD22 protein, His-tagged, R-PE labeled HEK293 Human His
Cd22-535MB Recombinant Mouse Cd22 Protein (Met1-Arg708), His tagged, Biotinylated Human Cells Mouse His Met1-Arg708
CD22-562HAF488 Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 488 conjugated HEK293 Human Fc Asp20-Arg687, 906
CD22-562HAF555 Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 555 conjugated HEK293 Human Fc Asp20-Arg687, 906
CD22-562HAF647 Recombinant Human CD22 Protein, Fc-tagged, Alexa Fluor 647 conjugated HEK293 Human Fc Asp20-Arg687, 906
CD22-562HF Recombinant Human CD22 Protein, Fc-tagged, FITC conjugated HEK293 Human Fc Asp20-Arg687, 906
CD22-8854CAF488 Recombinant Monkey CD22 Protein, Fc-tagged, Alexa Fluor 488 conjugated HEK293 Monkey Fc Met1-Arg686, 908
CD22-8854CAF555 Recombinant Monkey CD22 Protein, Fc-tagged, Alexa Fluor 555 conjugated HEK293 Monkey Fc Met1-Arg686, 908
CD22-8854CAF647 Recombinant Monkey CD22 Protein, Fc-tagged, Alexa Fluor 647 conjugated HEK293 Monkey Fc Met1-Arg686, 908
CD22-8854CF Recombinant Monkey CD22 Protein, Fc-tagged, FITC conjugated HEK293 Monkey Fc Met1-Arg686, 908
CD22-482H Active Recombinant Human CD22, Fc Chimera Mammalian Cells Human Fc
CD22-559H Active Recombinant Human CD22, His-tagged, Biotinylated Human Cells Human His 20-683 a.a.
CD22-560H Active Recombinant Human CD22, Fc-tagged, Biotinylated Human Cells Human Fc 20-683 a.a.
CD22-561H Active Recombinant Human CD22, Fc-tagged Human Cells Human Fc 20-683 a.a.
CD22-051H Recombinant Human CD22 protein, His-Avi-tagged, Biotinylated HEK293 Human Avi&His Asp20-Arg687
CD22-055H Active Recombinant Human CD22 protein, Fc/Avi-tagged, Biotinylated CHO Human Avi&Fc Asp20-Arg687
CD22-0664H Active Recombinant Human CD22 protein, Fc-tagged, FITC-Labeled HEK293 Human Fc 20-687 a.a.
CD22-0666H Active Recombinant Human CD22 protein, His-tagged, FITC-Labeled HEK293 Human His 20-687 a.a.
CD22-23H Active Recombinant Human CD22 Protein, Fc-tagged, Atto 488 conjugated NS0 Human Fc
CD22-24H Active Recombinant Human CD22 Protein, Fc-tagged, Atto 647N conjugated NS0 Human Fc
CD22-273HB Active Recombinant Human CD22 protein, His-Avi-tagged, Biotinylated HEK293 Human Avi&His Asp 20 - Arg 687
CD22-335H Active Recombinant Human CD22 Protein (Asp 20 - Arg 687), His-tagged, FITC-Labeled HEK293 Human His Asp 20 - Arg 687
Cd22-1153R Recombinant Rat Cd22 Protein, Fc-tagged HEK293 Rat Fc 1-692 a.a.
Cd22-1154R Recombinant Rat Cd22 Protein, His-tagged HEK293 Rat His 1-692 a.a.
CD22-1212R Recombinant Rhesus macaque CD22 protein, His-tagged HEK293 Rhesus macaque His Ser20-Arg686
CD22-179M Recombinant Mouse Cd22, Fc tagged Human Cells Mouse His 1-708 a.a.
CD22-27297TH Recombinant Human CD22 CHO Human Non
Cd22-535M Recombinant Mouse Cd22, His-tagged HEK293 Mouse His Met1-Arg708
CD22-5443Z Recombinant Zebrafish CD22 Mammalian Cells Zebrafish His
CD22-960H Recombinant Human CD22 Molecule, Extracellular Domain CHO Human Non
CD22-001MCL Recombinant Mouse CD22 cell lysate Human Cells Mouse Non
CD22-1956HCL Recombinant Human CD22 cell lysate Human Cells Human Non
CD22-01H Recombinant Human CD22 Protein, hFc, Avi tagged, Biotinylated Human Cells Human Avi&Fc Asp20-Arg687
CD22-0662H Recombinant Human CD22 protein, His-tagged, Alexa Fluor 488-Labeled HEK293 Human His 20-687 a.a.
CD22-0663H Recombinant Human CD22 protein, His-tagged, Alexa Fluor 555-Labeled HEK293 Human His 20-687 a.a.
CD22-0665C Recombinant Canine CD22 protein, His-tagged HEK293 Canine His 1-718 a.a.
CD22-0945M Active CD22 protein-coupled magnetic Beads HEK293 Human Asp 20 - Arg 687
Cd22-1153RA Recombinant Rat Cd22 protein, Fc-tagged, APC labeled HEK293 Rat Fc
Cd22-1153RP Recombinant Rat Cd22 protein, Fc-tagged, R-PE labeled HEK293 Rat Fc
CD22-1411H Recombinant Human CD22 Protein (Trp176-Ala330), N-His tagged E.coli Human His Trp176-Ala330
CD22-158H Recombinant Human CD22 Protein, MYC/DDK-tagged, C13 and N15-labeled HEK293 Human DDK&Myc
CD22-15H Recombinant Human CD22 Protein, His (Fc)-Avi-tagged HEK293 Human Avi&Fc&His
CD22-15H-B Recombinant Human CD22 Protein Pre-coupled Magnetic Beads HEK293 Human
CD22-181H Recombinant Human CD22 Protein, C-His-tagged E.coli Human His
CD22-273H Recombinant Human CD22 protein, His-Avi-tagged HEK293 Human Avi&His It contains Asp20-Arg687.
CD22-333H Active Recombinant Human CD22 Protein, LIgG2b Fc-tagged, low endotoxin HEK293 Human lIgG2b Asp 20 - Arg 687
CD22-334H Active Recombinant Human CD22 Protein, Fc & Avi-tagged, Biotinylated HEK293 Human Avi&Fc Asp 20 - Arg 687
CD22-336M Recombinant Mouse CD22 protein, His-tagged HEK293 Mouse His 681
CD22-373HG Active GMP Recombinant Human CD22 protein HEK293 Human DNA sequence encoding Human LAG3(NCBI Reference Sequence: NP_001762.2 ) was expressed with His tag at the C-terminal.
CD22-374HG Active GMP Recombinant Human CD22 protein, Fc-tagged HEK293 Human Fc DNA sequence encoding Human LAG-3(NCBI Reference Sequence: NP_001762.2 ) was expressed with Fc tag at the C-terminal.
CD22-3946HB Recombinant Human CD22 protein, His-tagged, Biotinylated HEK293 Human His 1-687 a.a.
CD22-3947HB Recombinant Human CD22 protein, His-tagged, Biotinylated HEK293 Human His 176-687 a.a.
CD22-4343H Recombinant Human CD22 protein, His-Avi-tagged, Biotinylated HEK293 Human Avi&His 20-687aa
CD22-441H Recombinant Human CD22 Protein, His-tagged HEK293 Human His 847
CD22-442H Recombinant Human CD22 Protein, His-tagged HEK293 Human His 847
CD22-4807H Recombinant Human CD22 protein, His-tagged, PE-Labeled HEK293 Human His Asp 20 - Arg 687
CD22-482HA Recombinant Human CD22 protein, Fc-tagged, APC labeled Mammalian Cells Human Fc
CD22-482HP Recombinant Human CD22 protein, Fc-tagged, R-PE labeled Mammalian Cells Human Fc
CD22-496H Recombinant Human CD22 Protein (Asp20-Arg687), C-hFc and 6×His-tagged HEK293 Human Fc&His Asp20-Arg687
CD22-5322H Recombinant Human CD22 protein, His-tagged HEK293 Human His Asp20-Arg687
CD22-5323H Recombinant Human CD22 Protein (Met1-Arg687), C-Fc tagged Mammalian Cells Human Fc Met1-Arg687
CD22-532H Recombinant Human CD22 Protein (Trp176-Arg687), His-tagged, Biotinylated Insect Cells Human His Trp176-Arg687
CD22-533H Recombinant Human CD22 Protein (Met1-Arg687) (ECD) HEK293 Human Non Met1-Arg687
CD22-543H Recombinant Human CD22 Protein, His-tagged Human Cells Human His
CD22-561HA Recombinant Human CD22 protein, Fc-tagged, APC labeled HEK293 Human Fc
CD22-561HP Recombinant Human CD22 protein, Fc-tagged, R-PE labeled HEK293 Human Fc
CD22-562HA Recombinant Human CD22 protein, Fc-tagged, APC labeled HEK293 Human Fc
CD22-562HP Recombinant Human CD22 protein, Fc-tagged, R-PE labeled HEK293 Human Fc Met1-Arg687
CD22-596H Active Recombinant Human CD22 Protein, hFc-tagged HEK293 Human Fc Asp20-Arg687
CD22-663H Recombinant Human CD22 Protein, His-tagged E.coli Human His Asp20-Asn400
CD22-694M CD22 protein-coupled magnetic MicroBeads Mouse
CD22-753M CD22 protein-coupled magnetic MicroBeads Human
Cd22-831M Recombinant Mouse Cd22 Protein, MYC/DDK-tagged HEK293 Mouse DDK&Myc
Cd22-8321M Recombinant Mouse Cd22 protein, hFc-tagged HEK293 Mouse Fc Met1-Arg708
CD22-8854CA Recombinant Rhesus CD22 protein, Fc-tagged, APC labeled HEK293 Rhesus macaque Fc
CD22-8854CP Recombinant Rhesus CD22 protein, Fc-tagged, R-PE labeled HEK293 Rhesus macaque Fc

    Involved Pathway

    CD22 involved in several pathways and played different roles in them. We selected most pathways CD22 participated on our site, such as Cell adhesion molecules (CAMs),Hematopoietic cell lineage,B cell receptor signaling pathway, which may be useful for your reference. Also, other proteins which involved in the same pathway with CD22 were listed below. Creative BioMart supplied nearly all the proteins listed, you can search them on our site.

    Pathway Name Pathway Related Protein
    Hematopoietic cell lineage CR1,IL9R,CD3D,GM2002,CD1D,CD1B,KITLG,CSF1R,IL2RA,Flt3l
    Cell adhesion molecules (CAMs) CADM3,MPZ,ITGAM,BMA2,ITGA9,NRXN1,CLDN17,ICOS,Siglec1,ITGA4
    B Cell Receptor Signaling Pathway CD19,CD81,LCP2A,NFKBIE,cgr2b,RAC2,FCGR2B,PPP3CC,BCL10,GRB2

    Protein Function

    CD22 has several biochemical functions, for example, carbohydrate binding,protein binding. Some of the functions are cooperated with other proteins, some of the functions could acted by CD22 itself. We selected most functions CD22 had, and list some proteins which have the same functions with CD22. You can find most of the proteins on our site.

    Function Related Protein
    carbohydrate binding NCAN,CD72,LGALSL,CLEC4E,SIGLEC5,ATRN,CHI3L2,CD33,Clec4n,FCER2
    protein binding FAM108A1,PRDX4,ANKS4B,NAPRT1,CEP350,STK10,SESN2,IGFBP2,MYBPC1,STARD10

    Interacting Protein

    CD22 has direct interactions with proteins and molecules. Those interactions were detected by several methods such as yeast two hybrid, co-IP, pull-down and so on. We selected proteins and molecules interacted with CD22 here. Most of them are supplied by our site. Hope this information will be useful for your research of CD22.

    SYK;LYN;PLCG1;PTPN6;PTPRC;cpxA;PIK3R1

    Resources

    Research Area

    References

    • Lv, W; Duan, QL; et al. Expression of B-cell-associated genes in peripheral blood mononuclear cells of patients with symptomatic pulmonary embolism. MOLECULAR MEDICINE REPORTS 11:2299-2305(2015).
    • Jabbour, E; O'Brien, S; et al. Prognostic factors for outcome in patients with refractory and relapsed acute lymphocytic leukemia treated with inotuzumab ozogamicin, a CD22 monoclonal antibody. AMERICAN JOURNAL OF HEMATOLOGY 90:193-196(2015).

    Reviews

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    Reviews
    03/14/2025

    We just used a good bit of the latest lot last week with great success. We will definitely be in touch in the next month or two to buy more. - Customer from @stjude.org

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