pulse label studies with 3h-labelled aminoacids showed that dibutyryl camp ( dbcamp ) impaired the secretion of newly synthesised protein , both total ( acid-precipitable ) and individual complement proteins ( precipitated antibody by antisera to c4 , c2 , c3 , c5 , b , p , c3b inactivator and beta 1h ) .
C0003241
antibody
C0020960
antisera