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Table 2 Immunoprecipitation assay and related molecular weights (kDa) with endoplasmatic reticulum autoantibodies, Calnexin-marker antibody (protein band runs around 90 kDa) and PDI marker antibody (Pancreas-specific protein disulfide isomerase) from HEp-2 cell lysate

From: Characterization for anti-cytoplasmic antibodies specificity by morphological and molecular techniques

Protein (kDa) Sample 1 Sample 2 Sample 3 Calnexin marker
Calnexin    Trace 90 90
Calreticulin ~60 ~60 ~60  
PDI   Trace 58 Trace 58