PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14555692-6 2003 Mutations in regulatory genes of PA biosynthesis abolished BAN promoter activity (transparent testa2 [tt2], tt8, and transparent testa glabra1 [ttg1]), modified its spatial pattern (tt1 and tt16), or had no influence (ttg2), thus revealing complex regulatory interactions at several developmental levels. proanthocyanidin 33-35 myb domain protein 0 Arabidopsis thaliana 135-142