Nonstandard abbreviations: SLE, systemic lupus erythematosus; ANA, antinuclear antibodies; IIT, indirect immunofluorescence test; NALIA, nanodot array luminometric immunoassay; snRNP, small nuclear ribonucleoprotein
; HRP, horseradish peroxidase; PBS, phosphate-buffered saline; CCD, charge-coupled device.
Finally, DDX46 encodes a member of the DEAD box protein family that has putative helicase activity and is involved in pre-mRNA splicing as part of the 17S U2 small nuclear ribonucleoprotein
Small nuclear ribonucleoprotein
U1 (U1snRNP), topoisomerase I (Scl-70), and Smith antigen (Sm) were bacterial recombinant proteins purchased from DiaRect AG.
 showed that the symmetrical dimethylation of arginines on coilin supports the formation of CBs, positive on survival motor neuron (SMN) proteins and small nuclear ribonucleoproteins