PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9871369-3 1998 Vertically placed agr roots grow into agar medium containing IAA or naphthalene-1-acetic acid, but not into medium containing 2,4-D. Agar 38-42 Auxin efflux carrier family protein Arabidopsis thaliana 18-21