PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22102866-7 2011 Altering GNC and CGA1 expression was also found to modulate the expression of important chlorophyll biosynthesis genes (GUN4, HEMA1, PORB, and PORC). Chlorophyll 88-99 Glutamyl-tRNA reductase family protein Arabidopsis thaliana 126-131