BCR and inborn error of immunity: The pathways “Leukocyte transendothelial migration” (ssc04670) and “Intestinal immune network for IgA production” (ssc04672) were found only at SI-10, whereas more immune-related pathways, including “B cell receptor (BCR) signaling” (ssc04662), “Inflammatory bowel disease” (ssc05321), “NF-kappa B signaling” (ssc04064) and “Primary immunodeficiency” (ssc05340) pathways were found only at SI-50.