PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10091603-9 1999 These findings reveal an important conserved role for ALDH1 in retinoic acid synthesis in vivo, and demonstrate that conversion of retinoids from the aldehyde form to the carboxylic acid form is a crucial regulatory step in retinoid signaling. Aldehydes 150-158 aldehyde dehydrogenase 1 family member A1 L homeolog Xenopus laevis 54-59