Gene name:
Cd22 (Lyb-8;Siglec2) ;
Protein name:
B-cell receptor CD22 ;
Alternative:
Sialic acid-binding Ig-like lectin 2 (Siglec-2) ;B-lymphocyte cell adhesion molecule (BL-CAM) ;T-cell surface antigen Leu-14 ;
CD:
CD22 ;
Organism:
Mouse (Mus musculus).
General Annotation
Sub Unit:
Interacts with SYK, PIK3R1/PIK3R2, PLCG1, SHC1, INPP5D and GRB2 upon phosphorylation. May form a complex with INPP5D/SHIP, GRB2 and SHC1. Interacts with PTPN6/SHP-1 upon phosphorylation.
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.
Subcellular Location:
Cell membrane
Single-pass type I membrane protein
Protein Attributes:
50:
MRVHYLWLLL | ILGHAASAQY | SSANDWTVDH | PQTLFAWEGA | CIRIPCKYKT |
100:
PLPKARLDNI | LLFQNYEFDK | ATKKFKGTVL | YNKAEPELYP | PKQRRVTFLG |
150:
NSIDNCTLKI | HPIRANDSGN | LGLRMTAGTE | RWMEPIHLNV | SEKPFQPYIQ |
200:
MPSEIRESQS | VTLTCGLNFS | CFEYDILLQW | FLEDSKITSV | TPSVTSITSS |
250:
VTSSIKNVYT | ESKLTFQPKW | TDHGKSVKCQ | VQHSSEVLSE | RTVRLDVKYT |
300:
PKLEIKVNPT | EVEKNNSVTM | TCRVNSSNPK | LRTVAVSWFK | DGRPLEDQEL |
350:
EQEQQMSKLI | LHSVTKDMRG | KYRCQASNDI | GPGESEEVEL | TVHYAPEPSR |
400:
VHIYPSPAEE | GQSVELICES | LASPSATNYT | WYHNRKPIPG | DTQEKLRIPK |
450:
VSPWHAGNYS | CLAENRLGHG | KIDQEAKLDV | HYAPKAVTTV | IQSFTPILEG |
500:
DSVTLVCRYN | SSNPDVTSYR | WNPQGSGSVL | KPGVLRIQKV | TWDSMPVSCA |
550:
ACNHKCSWAL | PVILNVHYAP | RDVKVLKVSP | ASEIRAGQRV | LLQCDFAESN |
600:
PAEVRFFWKK | NGSLVQEGRY | LSFGSVSPED | SGNYNCMVNN | SIGETLSQAW |
650:
NLQVLYAPRR | LRVSISPGDH | VMEGKKATLS | CESDANPPIS | QYTWFDSSGQ |
700:
DLHSSGQKLR | LEPLEVQHTG | SYRCKGTNGI | GTGESPPSTL | TVYYSPETIG |
750:
KRVALGLGFC | LTICILAIWG | MKIQKKWKQN | RSQQGLQENS | SGQSFFVRNK |
800:
KARRTPLSEG | PQSQGCYNPA | MDDTVSYAIL | RFPESDMHNA | GDAGTPATQA |
850:
PPPNNSDSVT | YSVIQKRPMG | DYENVNPSCP | EDESIHYSEL | VQFGAGKRPQ |
Vaild Sequence:
Related Databases
Uniprot:
ELISA Kit
CLIA Kit
Polyclonal Antibody
Monoclonal Antibody
Protein
FOR
Human
Mouse
ELISA Kit for Mouse B-cell receptor CD22
ELISA Kit for Mouse B-cell receptor CD22
CLIA Kit for Mouse B-cell receptor CD22
CLIA Kit for Mouse B-cell receptor CD22
Polyclonal Antibody for Mouse B-cell receptor CD22
Polyclonal Antibody for Mouse B-cell receptor CD22
Monoclonal Antibody for Mouse B-cell receptor CD22
Monoclonal Antibody for Mouse B-cell receptor CD22
Protein for Mouse B-cell receptor CD22
Protein for Mouse B-cell receptor CD22
R&D Technical Data
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Precision
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Recovery
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Linearity
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References
1.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : NUCLEOTIDE SEQUENCE [MRNA]
strain :
BALB/c .
strain :
DBA/2J .
tissue :
Liver .
2.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : NUCLEOTIDE SEQUENCE [MRNA]
strain :
BXSB .
strain :
C57BL/6 .
strain :
MRL .
3.
"Dysregulated expression of the Cd22 gene as a result of a short interspersed nucleotide element insertion in Cd22alpha lupus-prone mice."
Mary C.
,
Laporte C.
,
Parzy D.
,
Santiago M.L.
,
Stefani F.
,
Lajaunias F.
,
Parkhouse M.E.
,
O'Keefe T.L.
,
Neuberger M.S.
,
Izui S.
,
Reininger L.
J. Immunol.165:2987-2996(2000)
[
PubMed ]
[
Europe PMC ]
[
Abstract ]
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : NUCLEOTIDE SEQUENCE [MRNA] OF 1-178 (ISOFORMS 1; 2 AND 3)
strain :
NZW .
tissue :
Spleen .
4.
"Sialoadhesin, myelin-associated glycoprotein and CD22 define a new family of sialic acid-dependent adhesion molecules of the immunoglobulin superfamily."
Kelm S.
,
Pelz A.
,
Schauer R.
,
Filbin M.T.
,
Tang S.
,
de Bellard M.E.
,
Schnaar R.L.
,
Mahoney J.A.
,
Hartnell A.
,
Bradfield P.
,
Crocker P.R.
Curr. Biol.4:965-972(1994)
[
PubMed ]
[
Europe PMC ]
[
Abstract ]
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : SIALIC ACID-BINDING
5.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : PHOSPHORYLATION BY LYN
6.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INTERACTION WITH GRB2; SYK; PIK3R1/PIK3R2 AND PLCG1;PHOSPHORYLATION AT TYR-777; TYR-822; TYR-837 AND TYR-857;MUTAGENESIS OF TYR-822
7.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INTERACTION WITH GRB2; SHC1 AND INPP5D;PHOSPHORYLATION BY LYN