Term Name:	lambda 5 deficiency
Synonyms:
Definition:	A B cell deficiency that has_material_basis_in mutations in the IGLL1 gene. Lambda 5 mutations can cause a block in B cell development at the transition between the pro-B cell and the pre-B cell stage.
Ontology:	Human Disease [DOID:0060024]   ( DOID:0060024 )