PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19532123-0 2009 Membrane steroid-binding protein 1 (MSBP1) negatively regulates brassinosteroid signaling by enhancing the endocytosis of BAK1. Brassinosteroids 64-79 BCL2 antagonist/killer 1 Homo sapiens 122-126