SCP 1 small CTD phosphatase 1 Anti-CTDSP1 antibody produced in goat nuclear LIM interactor-interacting factor 1,2-Benzisothiazole-2(3H)-acetamide, N-(4-hydroxyphenyl)-3-oxo-, 1,1-dioxide CTD (carboxy-terminal domain, RNA polymerase II, polypeptide A) small phosphatase 1