Are Sidekick proteins members of the immunoglobulin superfamily?
["Here we show that four closely related immunoglobulin superfamily (IgSF) adhesion molecules--Dscam (Down's syndrome cell adhesion molecule), DscamL (refs 6-9), Sidekick-1 and Sidekick-2", 'Sidekick-1, a cell adhesion molecule of the immunoglobulin superfamily, is up-regulated in glomerular podocytes in the collapsing glomerulopathy of HIV-associated nephropathy (HIVAN).']
['Yes, sidekick are cell adhesion molecules of the immunoglobulin superfamily.']
['yes']