PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16417369-1 2006 Femtosecond transient IR and visible absorption spectroscopies have been employed to investigate the excited-state photophysics of vitamin B12 (cyanocobalamin, CNCbl) and the related cob(III)alamins, azidocobalamin (N3Cbl), and aquocobalamin (H2OCbl). aquacobalamin 228-241 NADH:ubiquinone oxidoreductase subunit B3 Homo sapiens 139-142