PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27136534-2 2016 The ferrous-deoxy Arabidopsis Hb1 and Hb2 (AHb1 and AHb2) have been shown to reduce nitrite to NO under hypoxia. Nitrites 84-91 homeobox protein 2 Arabidopsis thaliana 38-41