PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3023093-6 1986 Exchanging the intraliposomal buffer, Hepes, for phosphate causes an opposite change of the Vmax and a similar change of the Km for both enzymes suggesting a conformational change of the extraliposomal binding domain for cytochrome c through the membrane. HEPES 38-43 LOC104968582 Bos taurus 221-233