Files in this Data Supplement:

• Supplemental file 1 - . Fig. S1 (KLHL6 protein and generation of KLHL6^-/- mice), S2 (Typical FACS data of fractions A to F among B220⁺ cells in bone marrow), S3 (B-lymphocyte-specific deletion of KLHL6), S4 (Impaired upregulation of CD69 in KLHL6^-/- B lymphocytes), and S5 (Normal expression of CD40 or CXCR5 in KLHL6^-/- B lymphocytes)
  MS Word document, 2.1MB. MS Word document, 2.1MB.
• Supplemental file 2 - Supplemental figure legends
  MS Word document,30K.