PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24594504-2 2014 We focus on the characterization of the aldehyde dehydrogenase-1 family of enzymes (ALDH1A1, ALDH1A2, ALDH1A3) that catalyze conversion of retinaldehyde to retinoic acid. Tretinoin 156-169 aldehyde dehydrogenase 1 family member A1 Homo sapiens 84-91