PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16141452-6 2005 Constitutive overexpression of ROP2 results in enhanced polar accumulation of PIN2 protein in the root elongation region and increased gravitropism, which is significantly affected by latrunculin B, an inhibitor of F-actin assembly. latrunculin B 184-197 Auxin efflux carrier family protein Arabidopsis thaliana 78-82