PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26168137-5 2015 The ppt1 strains of all species were also reduced in tolerance to oxidative stress and iron depletion; both phenotypes are associated with inability to produce extracellular siderophores biosynthesized by the nonribosomal peptide synthetase Nps6. Iron 87-91 plastid phosphate/phosphoenolpyruvate translocator 1 Zea mays 4-8