In article <LaMarche-0112941222570001 at kip-1-sn-441.dartmouth.edu>,
LaMarche at Dartmouth.edu (Arthur LaMarche) wrote:
> I am a graduate student working in the laboratory of Dr. Bernard Trumpower
> at Dartmouth Medical School. I study cytochrome c oxidase in yeast. I
> have purified the oxidase using anion exchange chromatography. The
> preparation looks good on SDS PAGE, but I have one contaminating band
> running about 74 kd. If anyone has ideas on what the band could be I would
> love to hear from you.
If this was the CytC peroxidase, it might be the dimer.