CD22

CD22 molecule

Summary

Predicted to enable CD4 receptor binding activity; protein phosphatase binding activity; and sialic acid binding activity. Involved in B cell activation; negative regulation of B cell receptor signaling pathway; and regulation of endocytosis. Located in early endosome and recycling endosome. Implicated in diffuse large B-cell lymphoma. [provided by Alliance of Genome Resources, Jul 2025]

Known Variants63 total

rsidPosition (GRCh37)AllelesClassClinVar
rs77323230619:35,822,956G/Auncertain significance
rs37651505019:35,823,507C/Tuncertain significance
rs75036440419:35,823,532C/Tlikely benign
rs77871498319:35,823,621C/Tuncertain significance
rs14771113219:35,823,704G/Tuncertain significance
rs1041953819:35,824,019C/Gregulatory region variant
rs14548492219:35,826,971C/Tuncertain significance
rs142310949419:35,826,981A/Glikely benign
rs14882149419:35,827,038C/Tuncertain significance
rs76875426019:35,827,091A/Guncertain significance
rs77440798719:35,827,095C/Tlikely benign
rs123913784919:35,827,131G/Auncertain significance
rs76461150319:35,827,132C/Auncertain significance
rs131226484219:35,827,139A/Cuncertain significance
rs57731688619:35,827,175G/Auncertain significance
rs251363492919:35,827,182G/Tuncertain significance
rs14650449619:35,828,734C/Tbenign
rs13863188419:35,828,735G/Alikely benign
rs77215125919:35,828,738G/Auncertain significance
rs164643013819:35,828,826T/Auncertain significance
rs13808944919:35,828,831G/Auncertain significance
rs129391713919:35,828,843G/Auncertain significance
rs116394390119:35,828,906G/Auncertain significance
rs206674971019:35,828,923G/Cuncertain significance
rs14730061919:35,829,110C/Tuncertain significance
rs37047919219:35,829,158A/Guncertain significance
rs76526582919:35,829,159T/Guncertain significance
rs6174101319:35,829,256G/Abenign
rs54410713819:35,829,313G/Auncertain significance
rs20187376619:35,831,826C/Tuncertain significance
rs37074231319:35,831,915G/Alikely benign
rs76056378319:35,832,026G/Tuncertain significance
rs74746033719:35,832,290G/Auncertain significance
rs103996954119:35,832,297A/Cuncertain significance
rs13796668319:35,832,331C/Auncertain significance
rs3571514319:35,832,389G/Abenign
rs75028604419:35,832,423C/Guncertain significance
rs76690391119:35,832,638C/Tuncertain significance
rs20222681519:35,832,688G/Auncertain significance
rs20047849819:35,832,695A/Guncertain significance
rs76009956719:35,832,707C/Alikely benign
rs19153358019:35,832,709C/Tuncertain significance
rs19989107519:35,832,796G/Tuncertain significance
rs20115900019:35,832,799G/Auncertain significance
rs128526404319:35,832,812A/Guncertain significance
rs251365198819:35,832,829G/Auncertain significance
rs14003756319:35,832,839G/Aconflicting classifications of pathogenicity
rs725947719:35,835,739G/Abenign
rs77503172819:35,835,964A/Tuncertain significance
rs14843128719:35,836,000G/Alikely benign
rs18181029719:35,836,497C/Tlikely benign
rs133397186619:35,836,526G/Cuncertain significance
rs1040606919:35,836,530G/Amissense variant
rs3482605219:35,836,600C/Tsynonymous variant
rs1041350019:35,836,826C/A
rs86741056519:35,837,074T/Clikely benign
rs120765004419:35,837,100G/Auncertain significance
rs20077132019:35,837,104C/Tuncertain significance
rs75612850319:35,837,130C/Tuncertain significance
rs76969616719:35,837,472G/Auncertain significance
rs91535769919:35,837,508G/Auncertain significance
rs76024958219:35,837,511G/Auncertain significance
rs54790515619:35,837,547G/Auncertain significance

Gene information from NCBI Gene. Variant classifications from ClinVar.