PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1552368-3 1992 By mixing the purified cytochrome b5 with cytochrome b5 reductase, cob(II)alamin was immediately formed from aquacobalamin and NADH. aquacobalamin 109-122 cytochrome b5 type A Rattus norvegicus 23-36 1552368-3 1992 By mixing the purified cytochrome b5 with cytochrome b5 reductase, cob(II)alamin was immediately formed from aquacobalamin and NADH. aquacobalamin 109-122 cytochrome b5 type A Rattus norvegicus 42-55