PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15610027-6 2004 The pyridine hemochromagen redox difference spectrum for heme x covalently bound to the cytochrome b polypeptide isolated from SDS-PAGE displays a low-amplitude broad spectrum with a peak at 553 nm, similar to that of other hemes with a single thioether linkage. Sodium Dodecyl Sulfate 127-130 cytochrome b Chlamydomonas reinhardtii 88-100