controls for specificity included ( 1 ) omission of the primary antibody to clc protein and ( 2 ) substitution of primary antibody with a nonimmune preimmunization serum , a protein a-purified nonimmune igg , or a protein a-purified nonreactive igg prepared from solid-phase clc protein-sepharose-absorbed anti-clc antiserum .
C0003241
antibody
C0020960
antiserum