The methyltransferase fibrillarin (fib-1) is a prominent autoantigen in systemic autoimmune diseases and myopathies, the ortholog of heat shock protein hsp-6 plays a role among other in neurodegenerative diseases such as PD, and the ribosomal protein L7 (rpl-7) is associated with anemias and the autoimmune disease systemic lupus erythematosus [34]. Here, RPL7 is linked to systemic lupus erythematosus.