ARG52258 anti-DGCR8 phospho (Ser377) antibody WB image Western Blot: mouse nuclei lysate showing specific immunolabeling of the ~120k DGCR8 protein phosphorylated at Ser 377 (control) ARG52258 DGCR8 (phospho Ser377) antibody. The immunolabeling is blocked by the phosphopeptide used as the antigen (Phos-pep).