PABPC4 and systemic lupus erythematosus: A statistically significant increased reactivity in SLE over healthy controls was seen against LARP7, MOV10, ZCCHC3, Methylphosphate Capping Enzyme (MEPCE), Tyrosyl-tRNA Synthetase 2 (YARS2), Ribosomal Protein L18a (RPL18A), Ribosomal Protein L27a (RPL27A), H2B Clustered Histone 17 (H2BC17), but not against Coronin 1B (CORO1B), DEAD-box Helicase 6 (DDX6), Poly(A) Binding Protein Cytoplasmic 1 (PABPC1), and Poly(A) Binding Protein Cytoplasmic 4 (PABPC4) (Figure 2A).