although incorporation of ( 14 ) c-labelled amino acid into microsomal cytochrome b ( 5 ) is also rapidly inhibited , cycloheximide incompletely inhibits haem labelling of cytochrome b ( 5 ) and cytochrome a+a ( 3 ) , and inhibition occurs only after repeated antibiotic injections .
C1256751
haem
C0010798
cytochrome