PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8776899-10 1996 Fusion genes for ERD5 and PUT1 complemented a put1 mutant of yeast, allowing put1 to grow with proline as the source of nitrogen. Nitrogen 120-128 Methylenetetrahydrofolate reductase family protein Arabidopsis thaliana 17-21