PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22991161-2 2012 The Arabidopsis cytosolic AtHBP1 (At1g17100) and AtHBP2 (At2g37970) have been shown to bind porphyrins and metalloporphyrins including haem. Porphyrins 92-102 SOUL heme-binding family protein Arabidopsis thaliana 26-32