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Gene Gene information from NCBI Gene database.
Entrez ID 933
Gene name CD22 molecule
Gene symbol CD22
Synonyms (NCBI Gene)
SIGLEC-2SIGLEC2
Chromosome 19
Chromosome location 19q13.12
miRNA miRNA information provided by mirtarbase database.
24 Show/Hide all (24)
miRTarBase ID miRNA Experiments Reference
MIRT017296 hsa-miR-335-5p Microarray 18185580
MIRT438478 hsa-miR-19a-3p qRT-PCRWestern blot 24169826
MIRT438478 hsa-miR-19a-3p qRT-PCRWestern blot 24169826
MIRT874136 hsa-miR-1207-5p CLIP-seq
MIRT874137 hsa-miR-1909 CLIP-seq
Transcription factors Transcription factors information provided by TRRUST V2 database.
2
Transcription factor Regulation Reference
SPI1 Unknown 15892171
STAT1 Activation 12855573
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
52 Show/Hide all (52)
GO ID Ontology Definition Evidence Reference
GO:0001791 Function IgM binding TAS 15240561
GO:0002638 Process Negative regulation of immunoglobulin production IEA
GO:0002638 Process Negative regulation of immunoglobulin production ISS
GO:0002683 Process Negative regulation of immune system process IEA
GO:0005102 Function Signaling receptor binding IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
107266 1643 ENSG00000012124
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P20273
Protein name 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) (CD antigen CD22)
Protein function Most highly expressed siglec (sialic acid-binding immunoglobulin-like lectin) on B-cells that plays a role in various aspects of B-cell biology including differentiation, antigen presentation, and trafficking to bone marrow (PubMed:34330755, Pub
PDB 5VKJ , 5VKM , 5VL3 , 7O52
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF08205 C2-set_2 143 → 230 CD80-like C2-set immunoglobulin domain Domain
PF13895 Ig_2 510 → 589 Immunoglobulin domain Domain
PF13927 Ig_3 242 → 313 Domain
PF13927 Ig_3 597 → 663 Domain
PF13927 Ig_3 331 → 400 Domain
Tissue specificity TISSUE SPECIFICITY: B-lymphocytes.
Sequence
MHLLGPWLLLLVLEYLAFSDSSKWVFEHPETLYAWEGACVWIPCTYRALDGDLESFILFH
NPEYNKNTSKFDGTRLYESTKDGKVPSEQKRVQFLGDKNKNCTLSIHPVHLNDSGQLGLR
MESKTEKWMERIHLNVSERPFPPHIQLPPEIQESQEVTLTCLLNFSCYGYPIQLQWLLEG
VPMRQAAVTSTSLTIKSVFTRSELKFSPQWSHHGKIVTCQLQDADGKFLS
NDTVQLNVKH
TPKLEIKVTPSDAIVREGDSVTMTCEVSSSNPEYTTVSWLKDGTSLKKQNTFTLNLREVT
KDQSGKYCCQVSN
DVGPGRSEEVFLQVQYAPEPSTVQILHSPAVEGSQVEFLCMSLANPL
PTNYTWYHNGKEMQGRTEEKVHIPKILPWHAGTYSCVAEN
ILGTGQRGPGAELDVQYPPK
KVTTVIQNPMPIREGDTVTLSCNYNSSNPSVTRYEWKPHGAWEEPSLGVLKIQNVGWDNT
TIACAACNSWCSWASPVALNVQYAPRDVRVRKIKPLSEIHSGNSVSLQCDFSSSHPKEVQ
FFWEKNGRLLGKESQLNFDSISPEDAGSYSCWVNNSIGQTASKAWTLEV
LYAPRRLRVSM
SPGDQVMEGKSATLTCESDANPPVSHYTWFDWNNQSLPYHSQKLRLEPVKVQHSGAYWCQ
GTN
SVGKGRSPLSTLTVYYSPETIGRRVAVGLGSCLAILILAICGLKLQRRWKRTQSQQG
LQENSSGQSFFVRNKKVRRAPLSEGPHSLGCYNPMMEDGISYTTLRFPEMNIPRTGDAES
SEMQRPPPDCDDTVTYSALHKRQVGDYENVIPDFPEDEGIHYSELIQFGVGERPQAQENV
DYVILKH
Sequence length 847
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
KEGG Pathway Reactome Pathway
Cell adhesion molecules Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell
Hematopoietic cell lineage CD22 mediated BCR regulation
B cell receptor signaling pathway Antigen activates B Cell Receptor (BCR) leading to generation of second messengers
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
7
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Show/Hide Unknown Diseases (7)
Phenotype Name Clinical Significance Source Reference Evidence Score
Acute myeloid leukemia Benign ClinVar —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Clear cell carcinoma of kidney Benign ClinVar —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Hepatocellular carcinoma Benign ClinVar —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Malignant lymphoma, large B-cell, diffuse Benign ClinVar —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Melanoma Benign ClinVar —
★★★★★
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Show/Hide Text Mining Associations (108)
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Acute leukemia Leukemia BEFREE 12526923, 8501986
★★★★★
★☆☆☆☆
Found in Text Mining only
Acute lymphocytic leukemia Lymphocytic Leukemia BEFREE 12592332, 1696310, 19143872, 19792972, 21348573, 22017452, 22327430, 23486472, 25567759, 25728039, 26288837, 27486888, 27689397, 28423727, 28449314
View all (10 more)
★★★★★
★☆☆☆☆
Found in Text Mining only
Adrenocortical carcinoma Adrenocortical carcinoma BEFREE 29045509
★★★★★
★☆☆☆☆
Found in Text Mining only
Adrenocortical Carcinoma Adrenocortical carcinoma Pubtator 29045509 Associate
★★★★★
★☆☆☆☆
Found in Text Mining only
Adult Acute Lymphocytic Leukemia Lymphocytic Leukemia BEFREE 12592332, 19792972, 21348573, 25728039, 26288837, 28423727, 28859185, 30087554, 30763199, 31039409, 7532767, 7686604
★★★★★
★☆☆☆☆
Found in Text Mining only
Adult Diffuse Large B-Cell Lymphoma B-cell Lymphoma BEFREE 15892171, 25708834, 27964867, 31753002
★★★★★
★☆☆☆☆
Found in Text Mining only
Aortic Aneurysm Abdominal Aortic aneurysm Pubtator 21247474 Associate
★★★★★
★☆☆☆☆
Found in Text Mining only
Aortic Aneurysm, Abdominal Aortic Aneurysm BEFREE 21247474
★★★★★
★☆☆☆☆
Found in Text Mining only
Arthritis Arthritis BEFREE 15050965
★★★★★
★☆☆☆☆
Found in Text Mining only
Arthritis Rheumatoid Rheumatoid arthritis Pubtator 2969703, 31882654 Associate
★★★★★
★☆☆☆☆
Found in Text Mining only